swive
Swive (verb) means to have sexual intercourse with someone.
Etymology
Came into English via Middle English swiven, from Old English swīfan ("to move, sweep, wend, revolve"), from Proto-Germanic *swībaną ("to wipe, sweep"). It is cognate with Old Frisian swīva, swīfa ("to waver"), Old Norse svīfa ("to drift, ramble, rove"), and Norwegian Nynorsk sviva ("to rotate, wander"), and is related to Old English swift ("swift") and Middle English swyvel ("swivel").