μαλακίζεσθαι
From LSJ
οἱ τοῖς πέλας ἐπιβουλεύοντες, λανθάνουσι πολλὰκις ὑφ' ἑτέρων τοῦτ' αὐτὸ πάσχοντες → when people plot against their neighbours, they fall victim to the same sort of plot themselves
Greek > English (Woodhouse Verbs Reversed)
(see also μαλακίζομαι): be affected, be enervated, be moved, be remiss, be softened, be unmanned, become demoralised, play the coward, play the weakling, relax one's efforts through cowardice
Lexicon Thucydideum
mollem, segnem esse, to be soft, be inactive, 2.42.4, 2.43.6, 3.37.2. 3.40.7, 5.9.10, 5.72.1. 6.29.3, 7.68.3. 7.77.7.