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ὀκτώ

oktṓ /ok-to'/ Ask about this word
a primary numeral; "eight"
eight.
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Core Meaning & Semantic Range

The Greek word oktṓ, represented by G3638, is a primary numeral meaning "eight". It appears 9 times across 9 unique verses in the Bible. Its function is straightforward, providing a specific numerical quantity in various contexts, from counting days and years to people.

Biblical Occurrences & Contextual Analysis

In biblical narratives, G3638 is used to specify precise durations and quantities. It marks the time for the circumcision of Jesus as eight days after his birth Luke 2:21. It is also used to quantify periods of suffering, such as the man named Aeneas who had been sick of the palsy and kept his bed for eight years Acts 9:33. In the account of the flood, the word specifies that eight souls were saved in the ark with Noah 1 Peter 3:20. Similarly, it marks the time between Jesus' sayings and the Transfiguration, which occurred "about an eight days after" Luke 9:28.

Related Words & Concepts

The numeral G3638 is also used in combination with other numbers to form larger figures. These related words help establish specific timeframes for suffering or tragedy:

  • G1176 déka (ten): This word for "ten" is combined with G3638 to describe the "eighteen" years of infirmity for the woman who was bowed together (Luke 13:11, Luke 13:16) and the "eighteen" people on whom the tower in Siloam fell Luke 13:4.
  • G5144 triákonta (thirty): This term for "thirty" is joined with G3638 to describe the man with an infirmity for "thirty and eight years" who was waiting by the pool John 5:5.

Theological Significance

While a simple number, G3638 often provides the context for significant events and divine action.

  • Marking New Beginnings: The use of eight days is notably linked to Jesus' circumcision, a foundational covenant act Luke 2:21. It also marks the time before a key post-resurrection appearance to the disciples, including Thomas John 20:26.
  • Defining Periods of Waiting and Suffering: The number consistently quantifies the long duration of affliction before a moment of healing or deliverance, as seen with the man paralyzed for eight years Acts 9:33 and others suffering for eighteen or thirty-eight years.
  • Highlighting Divine Salvation: The term is used to count the exact number of people God saved from the flood, emphasizing the specific and complete nature of this rescue ("eight souls were saved," 1 Peter 3:20).

Summary

In summary, G3638 is a precise numeral that adds crucial detail and weight to biblical accounts. While its primary meaning is simply "eight", it consistently appears in contexts that frame significant religious rites, long periods of human suffering, and pivotal moments of divine intervention. It gives specificity to events like the Transfiguration Luke 9:28, healings, and the salvation of Noah's family 1 Peter 3:20, grounding these profound narratives in concrete, quantifiable terms.

Grammatical Forms

In the Greek New Testament, this word appears as an adjective across 7 occurrences, inflected in 1 grammatical form.

  • Adjective

Theographic Context

Biblical Distribution

Appears in 9 verses across 4 books. Most frequent in Luke (5 verses).

5
Luke
2
John
1
Acts
1
1 Peter

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