From Old English 'ceald' and PIE *gel- (to freeze) — linking 'cold,' 'gelatin,' 'jelly,' 'congeal,' and 'glacier.'
Of or at a low temperature; lacking warmth of feeling; an illness causing a running nose and sneezing.
From Old English ceald, cald (cold, cool), from Proto-Germanic *kaldaz (cold), from PIE *gel- (cold, to freeze). The same root produced Latin gelū (frost, ice) and gelāre (to freeze), giving English gelatin, jelly, congeal, and gelid. Old Norse kaldr, Gothic kalds, Old High German kalt all