βρέφος

εος, τό
A. babe in the womb, foetus, β. ἡμίονον κυέουσαν, of a mare, Il. 23.266, cf. Chrysipp.Stoic. 2.222.
II. new-born babe, Simon. 37.15, Pi. O. 6.33, A. Ag. 1096 (lyr.); νέον β. E. Ba. 289 [not in S.]: in later Prose, LXX Si. 19.11, BGU 1104.24 (i B. C.), etc.; of beasts, foal, whelp, cub, etc., Hdt. 3.153, Phylarch. 36, Ael. NA 3.8, Opp. H. 5.464, etc.; nestling, Horap. 2.99; ἐκ βρέφεος from babyhood, AP 9.567 (Antip.); ἀπὸ β. 2 Ep.Ti. 3.15. (Cf. Slav. žrěbę 'foal'.)
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project