Walt
来自Big Physics
wiktionary
From Middle English walten, from Old English wæltan, weltan, wieltan, wyltan, wiltan, from Proto-West Germanic *waltijan, from Proto-Germanic *waltijaną(“to roll; roll about”), from Proto-Indo-European *wel-(“to turn; wind; twist”). Cognate with German wälzen(“to wallow; roll”), Danish vælte(“to tumble; overthrow”), Swedish välta(“to roll; tumble over; overthrow”). Related to waltz.
From Middle English *walt, from Old English *wealt (attested in unwealt(“not given to roll; steady”), sinwealt(“circular, eternally rolling”)), from Proto-Germanic *waltaz(“changing; unstable”), from Proto-Indo-European *wel-(“to turn; wind; twist”).
