προσφθείρομαι

A. meet to one's own or another's hurt, meet in an evil hour, ἤν σοι λοιδορῆται προσφθαρείς if he, curse him, meet and insult you, Ar. Ec. 248; θεούσῃ νηῒ προσφθαρείς mischievously meeting a ship in full course, Ael. NA 2.17; θηρίῳ (of a person) προσέφθαρσαι Alciphr. 1.32, cf. 34; also, make an acquaintance in an evil hour, Plu. 2.482b:—dub. sens. in POxy. 1100.20 (iii A.D.).