From Proto-Germanic*hweulō (plural of *hwehwlą) (compare Old Frisian hwēl, Old Saxon hwiol, Old Norse hvél, hjól, whence Danish hjul), from Proto-Indo-European*kʷékʷléh₂, plural of *kʷekʷlóm, *kʷékʷlos(“wheel”) (compare Ancient Greek κύκλος(kúklos, “cycle, wheel”)), from *kʷel-(“going around”).