fangle

From Middle English fangelen (verb), from fangel (“inclined to take”, adjective), from Old English *fangol, *fangel (“inclined to take”), from fōn (“to take, seize”). Compare Old English andfangol (“undertaker, contractor”), Old English underfangelnes (“undertaking, hospitality”), Middle English fangen (“to take, seize, catch”), German fangen (“to catch”). More at fang.

Back-formation from newfangled (adjective) as if new + fangle (noun). See newfangle.