A.of or lasting two years, “χρόνος” Hdt.2.2, etc.; “κύησις” Arist. GA777b15, etc.; “ἀρξάμενος ἀπὸ διετοῦς” Id.HA500a11; ἐπὶ διετὲς ἡβᾶν to be two years past puberty, Is.10.12, Aeschin.3.122, Lexap.D.46.20.
II. two years old, Arist.HA545b11.
III. = sq., Hsch.