κακίζεσθαι
From LSJ
νόησε δὲ δῖος Ὀδυσσεὺς σαίνοντάς τε κύνας, περί τε κτύπος ἦλθε ποδοῖιν → godly Odysseus heard the fawning of dogs, and on top of that came the beat of two feet
Greek > English (Woodhouse Verbs Reversed)
(see also κακίζω): be unmanned, become demoralised, play the coward