ὑπονέμομαι · hyponemomai — LSJ
eat away beneath or secretly, ἔλαθεν πῦρ ὑπονειμάμενον AP 7.444 (Theaet.); but ὑπονεμησαμένη, though found in codd. in Hp. Oss. 18, is f. l. for ὑπονησαμένη, v. ὑπονέω.
undermine (cf. ὑπόνομος): metaph., deceive, γυναῖκας Epich. 9.