Dictionary entry

διετής

G. Abbott-Smith's A Manual Greek Lexicon of the New Testament

** διετής, -ές

(< δίς, ἔτος), [in LXX: II Mac 10:3 *;]

1. lasting two years.

2. two years old: ἀπὸ δ. (sc. παιδός, or neuter; cf. I Ch 27:23, ἀπὸ εἰκοσαετοῦς), Mt 2:16.†