νυκτομαχέω
From LSJ
κακοὶ μάρτυρες ἀνθρώποισιν ὀφθαλμοὶ καὶ ὦτα βαρβάρους ψυχὰς ἐχόντων → eyes and ears are poor witnesses for men if their souls do not understand the language (Heraclitus Phil.: Fr. B 107; Testimonia: Fragment 16, line 6)
English (LSJ)
A fight by night, Plu.Cam. 36, App.BC5.35, etc. : metaph., ν. τῇ παρθένῳ ἐρωτικῶς Aristaenet.1.10.