ὑπηχέω · hypēcheō — LSJ
sound in answer, echo, respond, rang again, echoes
sound in answer, echo, respond, ὑπὸ δʼ ἤχεεν οὔρεα μακρά Hes. Th. 835; ἔρρηξε δʼ αὐδήν, ὥσθʼ ὑπηχῆσαι χθόνα E. Supp. 710; ὥστε τὴν κώμην ὑπηχεῖν so that the village rang again, Pherecr. 10 (troch.); θερινὸν ὑπηχεῖ τῷ τῶν τεττίγων χορῷ echoes summer-like with the cicada-choir, Pl. Phdr. 230c; of musical strings, Arist. Pr. 921b15: metaph., with neut. Adj., ἄλλο ὑ. Luc. DMar. 1.4; σαθρὸν καὶ ἀγεννές Plu. Adul. 2.64e.
2 prompt, suggest
prompt, suggest, esp. of an inner voice, Ph. 1.599, 645, 659, 692, 2.12; καθάπερ ὑποβολέως ἔνδοθεν ὑπηχοῦντος ib. 416.