Lexical Definition

‎ἐννέα‎ ennéa (en-neh'-ah) nine G:A-NUI
a primary number

nine.

Usage: 2 forms in 31 verses

Abbott-Smith

ἐννέα, οἱ, αἱ, τά, indecl.,
nine: Lk 17:17; ἐνενήκοντα ἐ., Mt 18:12, 13, Lk 15:4, 7.†

Abbott-Smith References

Book Refs
Matthew 18:12 · 18:13
Luke 15:4 · 15:7 · 17:17

Liddell-Scott-Jones

ἐννέα,

Doric dialect also ἐννῆ (which see), indeclinable, nine, [Refs 8th c.BC+]; τρὶς ἐννέα κλῶνας, in a religious ceremony, [Refs 5th c.BC+]; τρὶς . ἔτη Oracle texts cited in [Refs 5th c.BC+]

__2 as a round number for, many, τρὶς ἐννέα φῶτας ἔπεφνεν [Refs 8th c.BC+]. (Cf. Latin novem, Sanskrit náva, etc.)