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Κηφᾶς

Kēphâs /kay-fas'/ Ask about this word
of Chaldee origin (compare כֵּף)
the Rock; Cephas (i.e. Kepha), a surname of Peter
Cephas.
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Core Meaning & Semantic Range

The word Kēphâs, represented by G2786, is a surname for Peter meaning the Rock. Of Chaldee origin, it appears 6 times in 6 unique verses. This name was bestowed upon the apostle by Jesus and is used by other New Testament writers to refer to him.

Biblical Occurrences & Contextual Analysis

The name Kēphâs is introduced in a pivotal moment when Jesus first meets Simon, the son of Jona. Jesus renames him, stating, "thou shalt be called Cephas, which is by interpretation, A stone" John 1:42. In his epistles, Paul refers to Cephas to denote Peter's significant standing within the early church. He is listed as a leader to whom some in the Corinthian church claimed allegiance 1 Corinthians 1:12 and is mentioned as one who saw the resurrected Christ 1 Corinthians 15:5. Alongside James and John, Cephas was perceived to be a pillar in the Jerusalem church Galatians 2:9.

Related Words & Concepts

Several related words help clarify the identity and role of G2786:

  • G4074 Pétros: meaning "a (piece of) rock," this is the Greek equivalent of Cephas and the name Peter. John 1:42 explicitly connects the two names, with the interpretation of Cephas being a "stone" G4074.
  • G4613 Símōn: Peter's original given name. He is identified as "Simon the son of Jona" at the moment he is renamed Cephas John 1:42.
  • G2495 Iōnâs: the name of Peter's father. Jesus identifies Simon by his parentage, "son of Jona," before giving him his new name John 1:42.
  • G4769 stŷlos: meaning "a post ('style'), i.e. (figuratively) support:--pillar." This term is used to describe the role of Cephas, along with James and John, in the early church community Galatians 2:9.

Theological Significance

The theological weight of G2786 is centered on the identity and mission given to Peter by Christ.

  • A New Identity and Purpose: The act of renaming Simon to Cephas signifies a new identity conferred directly by Jesus, defining his future role as "the Rock" John 1:42.
  • Foundational Leadership: The description of Cephas as a pillar G4769 highlights his role as a foundational support for the early church, recognized by other apostles like Paul Galatians 2:9.
  • Primary Apostolic Witness: The mention that the resurrected Christ "was seen of Cephas, then of the twelve" 1 Corinthians 15:5 establishes his primacy as a witness to the cornerstone event of the Christian faith.

Summary

In summary, G2786 is far more than an alternative name for Peter. It is a title of distinction bestowed by Jesus himself. The name Kēphâs defines his foundational significance, his position as a primary apostolic witness, and his role as a pillar of the early church. Its use in scripture consistently points to the unique authority and leadership position he held among the apostles.

Grammatical Forms

In the Greek New Testament, this word appears as a noun across 9 occurrences, inflected in 4 grammatical forms.

  • Nominative Singular Masculine Individual
  • Dative Singular Masculine Individual
  • Accusative Singular Masculine Individual
  • Genitive Singular Masculine Individual
Nominative
The subject of the verb.
Genitive
Possession or source — often "of".
Dative
The indirect object — often "to" or "for".
Accusative
The direct object of the verb.
Singular
One.
Masculine
Masculine grammatical gender.

Theographic Context

Biblical Distribution

Appears in 6 verses across 3 books. Most frequent in 1 Corinthians (4 verses).

1
John
4
1 Corinthians
1
Galatians

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