διετής, διετες (δίς and ἔτος) (from Herodotus down), of two years, two years old: ἀπόδιετοῦς namely, παιδός, Matthew 2:16, cf. Fritzsche at the passage; (others take διετοῦς here as neuter; see Meyer).
Matthew 2:16 - Adj-GMS GRK:αὐτῆς ἀπὸ διετοῦς καὶ κατωτέρω NAS: its vicinity, from two years old and under, KJV: thereof, from two years old and under, INT: of it from two years old and under