see also: SWIM, Swim
Etymology 1
From Middle English swymmen, from Old English swimman (class III strong verb; past tense swamm, past participle geswummen), from Proto-West Germanic *swimman, from Proto-Germanic *swimmaną, from Proto-Indo-European *swem(bʰ)-.
Cognate with Scots sweem, soom ("to swim"), Saterland Frisian swimme, Western Frisian swimme, Dutch zwemmen, German schwimmen, Norwegian Bokmål - and Danish svømme, Swedish simma, Norwegian Nynorsk symja.