dance performed to music in triple time, 1781, from Ger. Waltzer,
"to roll, dance," from O.H.G. walzan
"to turn, roll," from P.Gmc. *walt-
(cf. O.N. velta
), from PIE base *wel-
"to turn, revolve" (see vulva
). Described in 1825 as "a riotous and indecent German dance." The verb is from 1794; meaning "to move nimbly" is recorded from 1862.