swive

From Middle English swiven, from Old English swīfan (“to move, sweep, wend, revolve”), from Proto-Germanic *swībaną (“to wipe, sweep”). Cognate with Old Frisian swīva, swīfa (“to waver”), Old Norse svīfa (“to drift, ramble, rove”), Norwegian Nynorsk sviva (“to rotate, wander”). Related to Old English swift (“swift”), Middle English swyvel (“swivel”).

Blend of swim +‎ dive