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εἶ

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second person singular present of εἰμί; thou art
art, be.
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Core Meaning & Semantic Range

The Greek word , represented by G1488, is the second person singular present form of the verb "to be," meaning thou art or be. It appears 92 times across 89 unique verses in the Bible, highlighting its common use in direct address. This word is not merely grammatical; it is used to make definitive statements of identity, status, and divine nature, often at pivotal moments of revelation and confession.

While primarily denoting "thou art," the usage of G1488 often carries an interrogative force, shifting its semantic weight from a simple statement to a direct challenge or inquiry about identity or truth. This is evident when individuals question Jesus's identity, asking "Art thou the Christ?" Luke 22:67 or "Art thou the King of the Jews?" John 18:33, where G1488 serves to probe a claim of being. Furthermore, in rhetorical questions, it underscores the speaker's incredulity or emphasis, as seen in "Art not thou that Egyptian?" Acts 21:38, highlighting an unexpected or recognized status. The very form implies a direct, often confrontational, engagement with the subject's stated or perceived existence.

The present tense nature of G1488 also emphasizes the immediate and enduring quality of the declared state. When God proclaims to Christ, "Thou art my Son, this day have I begotten thee" Hebrews 1:5, it speaks not of a past or future condition, but of an eternal, ongoing reality of Sonship. Similarly, in the context of human identity, "thou art Peter" Matthew 16:18 establishes a present, unchanging truth about his person and subsequent role. This aspect of continuous being lends significant weight to all declarations made using G1488, rooting identity and truth in the present moment.

Biblical Occurrences & Contextual Analysis

In scripture, G1488 is central to key declarations about Christ's identity. At his baptism, a voice from heaven proclaims, "Thou art my beloved Son" Luke 3:22. This divine affirmation is echoed in confessions from his followers, such as Peter's declaration, "Thou art the Christ, the Son of the living God" Matthew 16:16. The word is also used to establish foundational roles, as when Jesus tells Simon, "thou art Peter, and upon this rock I will build my church" Matthew 16:18. Furthermore, it is used to define a believer's new status in God's family: "thou art no more a servant, but a son" Galatians 4:7.

Beyond affirmations, G1488 frequently serves in direct inquiries concerning identity, often posing a crucial question about the speaker's or subject's true nature. John the Baptist's disciples ask Jesus, "Art thou he that should come, or do we look for another?" Matthew 11:3, seeking clarification of his messianic role. Similarly, in moments of confrontation, G1488 is used to challenge perceived status, as when the Jews question Jesus, "Art thou greater than our father Jacob?" John 4:12. This form also appears in declarations of eternal nature, as in the statement concerning Christ, "but thou art the same, and thy years shall not fail" Hebrews 1:12, emphasizing his unchangeable being in contrast to the mutable creation.

The word also functions in expressions of moral or spiritual judgment, both positive and negative. Jesus commends the scribe by saying, "Thou art not far from the kingdom of God" Mark 12:34, recognizing a spiritual proximity. Conversely, it can highlight a person's error or hypocrisy, such as in the apostle Paul's rhetorical question, "who art thou that judgest another man's servant?" Romans 14:4, which implies a lack of authority to judge. These instances illustrate G1488's capacity to articulate a range of assessments, from commendation to sharp rebuke, always with a direct address to the individual's current state or character.

Related Words & Concepts

Several related words clarify the context of being and identity:

  • G1510 eimí (I am): As the first-person counterpart to "thou art," this word signifies emphatic existence (I exist). It is foundational to Jesus's "I am" statements, such as "I am the way, the truth, and the life" John 14:6.
  • G5207 huiós (son): This word for a "son" is frequently paired with G1488 to define Jesus's unique relationship to God, as in the declaration, "Thou art the Son of God" Matthew 14:33.
  • G4771 (thou): The personal pronoun for thou, which G1488 directly modifies. The two words work together to form direct statements of identity, such as "Thou art Peter" Matthew 16:18.
  • G1487 ei (if): This conditional particle frequently precedes G1488 in phrases like "If thou be the Son of God" Matthew 4:3, introducing a hypothesis about identity or status that is then challenged, affirmed, or questioned. It sets up a condition for the "being" described by G1488.
  • G1473 egṓ (I): As the first-person singular pronoun, G1473 stands in direct contrast and complement to the implied "thou" of G1488. This pronoun is essential in establishing the speaker's own identity or authority, often in response to an inquiry involving G1488, such as when Jesus answers "I am Jesus whom thou persecutest" Acts 9:5 to Saul's "Who art thou, Lord?".

Theological Significance

The theological weight of G1488 is significant and seen in several recurring themes:

  • Divine Confession: The word is central to confessions of Jesus's divinity, made by disciples Matthew 16:16, Nathanael John 1:49, and even unclean spirits who recognize his authority Mark 3:11.
  • Divine Affirmation: G1488 is used by God the Father to affirm the Sonship of Jesus, declaring "Thou art my Son" Hebrews 1:5. This statement establishes Christ's supreme identity over all creation, including angels Hebrews 1:5.
  • Believer's New Status: The term transitions from describing Christ to defining the believer's identity. In Christ, a person is told "thou art no more a servant, but a son; and if a son, then an heir of God" Galatians 4:7.
  • Declarations of Condition: The word establishes a person's spiritual or moral state, whether for blessing, "Blessed art thou, Simon" Matthew 16:17, or for rebuke, "thou art wretched, and miserable, and poor" Revelation 3:17.
  • Call to Self-Examination: G1488 is used to directly confront individuals with their spiritual or moral state, prompting self-reflection or repentance. For instance, the message to the church in Sardis declares, "thou hast a name that thou livest, and art dead" Revelation 3:1, a stark assessment of their actual condition. Similarly, the address to Laodicea, "thou art wretched, and miserable, and poor, and blind, and naked" Revelation 3:17, leaves no room for self-deception, demanding an honest appraisal of one's being.
  • Declaration of Divine Worthiness: In doxological contexts, G1488 expresses profound worship and acknowledgement of God's inherent nature and authority. The heavenly chorus proclaims, "Thou art worthy, O Lord, to receive glory and honour and power" Revelation 4:11, and again, "Thou art worthy to take the book, and to open the seals thereof: for thou wast slain, and hast redeemed us to God by thy blood" Revelation 5:9. These declarations underscore the intrinsic worth and sovereign being of God and Christ, providing the basis for all worship.

Summary

The Greek word G1488, , meaning "thou art," stands as a foundational element in the New Testament, far exceeding a mere grammatical function. It is consistently employed to articulate definitive statements of identity, status, and divine nature, often marking crucial moments of revelation and confession. From the Father's affirmation of Christ's Sonship at His baptism Luke 3:22 to Peter's profound confession, "Thou art the Christ, the Son of the living God" Matthew 16:16, G1488 anchors the understanding of Jesus's unique being. It also powerfully defines the transformed status of believers, declaring "thou art no more a servant, but a son" Galatians 4:7.

Beyond straightforward declarations, G1488 frequently engages in direct inquiry and challenge regarding identity, prompting crucial questions about messianic roles or personal claims, as seen when John's disciples ask, "Art thou he that should come?" Matthew 11:3. Its use in such interrogative forms, often preceded by G1487 (ei) to form conditional statements, highlights moments of theological exploration and dispute. Furthermore, the inherent present tense of G1488 emphasizes the immediate and enduring nature of the being or status being described, asserting a constant reality rather than a fleeting condition.

This word is pivotal in establishing an individual's spiritual or moral condition, whether in blessing, as with Simon Barjona Matthew 16:17, or in stark rebuke, as in the assessment of the Laodicean church, "thou art wretched, and miserable, and poor, and blind, and naked" Revelation 3:17. Such direct address compels self-examination and highlights the immediate, present reality of one's state before God.

G1488 is central to expressions of divine worthiness and the unchanging nature of God. In heavenly worship, it serves to declare the Lord's absolute worthiness to receive glory and power Revelation 4:11, and to affirm Christ's eternal identity: "thou art the same, and thy years shall not fail" Hebrews 1:12. Thus, is a word of profound theological depth, functioning not only to state existence but to reveal, affirm, question, and judge identity and being, underscoring both human responsibility and divine sovereignty throughout scripture.

Grammatical Forms

In the Greek New Testament, this word appears as a verb across 92 occurrences, inflected in 1 grammatical form.

  • Present Active Indicative 2nd Singular 92×
Singular
One.
2nd
Second person — the one addressed ("you").
Present
Action in progress or repeated — happening now or continually.
Active
The subject performs the action.
Indicative
A plain statement of fact.

Theographic Context

Biblical Distribution

Appears in 89 verses across 10 books. Most frequent in John (24 verses).

17
Matthew
9
Mark
16
Luke
24
John
6
Acts
3
Romans
1
Galatians
3
Hebrews
2
James
8
Revelation

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