pock

From Middle English pok, from Old English poc, pocc (“pock; pustule; ulcer”), from Proto-West Germanic pokk, from Proto-Germanic pukkaz, pukkǭ (“pock; swelling”), from Proto-Indo-European bew-, *bʰew- (“to grow; swell”). Cognate with Dutch pok (“pock”), Low German Pocke (“pock”), German Pocke (“pock”).