κάμνειν
From LSJ
νοεῖν γάρ ἐστι κρεῖττον καὶ σιγὴν ἔχειν → it's better, you see, to understand and yet say nothing (Menander)
Greek > English (Woodhouse Verbs Reversed)
(see also κάμνω): faint, flag, labor, labour, be an invalid, be diseased, be distressed, be exhausted, be fatigued, be hard pressed, be hardpressed, be ill, be in distress, be in the throes of, be indisposed, be jaded, be overcome, be poorly, be prostrated, be sick, be spent, be tired, be troubled, be weary, grow faint, labor under, labour under, suffer discomfort, suffer from, worn out