ἔντερον

A. piece of the guts or intestines, ἐϋστρεφὲς ἔντερον οἰός a string of sheep's gut, Od. 21.408: elsewh. in Hom. always pl., ἔντερα guts, bowels, Il. 13.507,al., cf. A. Ag. 1221, Ar. Eq. 1184, Ra. 476, Pl. Ti. 73a: in sg., gut, bowel, Arist. HA 524b13; τοὔντερον τῆς ἐμπίδος Ar. Nu. 160; collectively, bowels, Arist. HA 514b13, al.; womb, belly, Archil. 142, cf. Luc. Lex. 6; ἐπὶ μετρίῳ ἐντέρῳ for moderation in eating, LXX. Si. 34.20, cf. AP 9.170 (Pall.): metaph., inside of fruit, ib.14.57.

II. ἔντερα γῆς earth-worms, Arist. IA 705b28, 709a28, Arat. 959, Numen. ap. Ath. 7.305a; but worm-casts, Arist. HA 570a16, Thphr. Sign. 42, Nic. Th. 388.

III. bag made of gut, Hp. Morb. 3.1. (I.-E. *en-tero-, Comp. of *en 'in'.)