"lame," in Old English lemphalt "limping," from Proto-Germanic *haltaz (source also of Old Saxon, Old Frisian halt, Old Norse haltr, Old High German halz, Gothic halts "lame"), from PIE *keld-, from root *kel- (1) "to strike, cut," with derivatives meaning "something broken or cut off" (source also of Russian koldyka "lame," Greek kolobos "broken, curtailed"). The noun meaning "one who limps; the lame collectively" is from c. 1200.