heat, make hot, θέρον αὐγαὶ ἠελίου Λιβύην A.R. 4.1312; θέρων ἕλκος,= θεραπεύων, Nic. Th. 687:—elsewh. only in Pass. θέρομαι, fut. Med. θέρσομαι Od. 19.507: aor. 2 ἐθέρην (in Ep. subj. θερέω 17.23): poet. and later Prose, become hot or warm, νήησαν ξύλα πολλά, φόως ἔμεν ἠδὲ θέρεσθαι 19.64, cf. 507; ἐπεί κε πυρὸς θερέω at the fire, 17.23; θέρου warm your self, Ar. Pl. 953; ὁπόταν . . τις . . ποτὲ ῥιγῶν θέρηται Pl. Phlb. 46c; εἶδον [Ἡράκλειτον] θερόμενον πρὸς τῷ ἰπνῷ Arist. PA 645a19: impf. ἐθέροντ
of things, become warm, τὰ ψυχρὰ θέρεται Heraclit. 126, cf. Archel. ap. Plu. Frig. 2.954f; μὴ . . ἄστυ πυρὸς δηΐοιο θέρηται be burnt by fire, Il. 6.331, cf. 11.667; melt, ἁ πέτρα θρυπτομένα θέρεται AP 12.61. (gṷher-, cf. θερμός, Lat. formus and prob. Engl. warm.)