swike:

From Middle English swiken, from Old English swīcan ?(“to wander, depart, cease from, yield, give way, fail, fall short, be wanting, abandon, desert, turn traitor, deceive, rebel”), from Proto-Germanic *swīkan?, *swīkwan? ?(“to dodge, swerve, avoid, betray”), from Proto-Indo-European *sweyg-, *swAig- ?(“to turn, move around, wander, swing”). Cognate with Scots swike ?(“to cheat, deceive”), Middle Low German swīken ?(“to yield, elude, escape”), Dutch zwijken ?(“to betray”), Middle High German swīchen ?(“to abandon”), Swedish svika ?(“to betray, let down, disappoint”), Norwegian svike ?(“to betray”), Faroese svíkja ?(“to cheat”), Icelandic svíkja ?(“to betray”).