Wobble
来自Big Physics
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mid 17th century (earlier as wabble ): of Germanic origin; compare with Old Norse vafla ‘waver’; related to the verb wave.
wiktionary
From earlier wabble(“wobble”), probably from Low German wabbeln(“to wobble”). Compare Dutch wiebelen and wobbelen(“to wobble”), Old Norse vafla(“to hover about, totter”).
etymonline
wobble (v.)
1650s, wabble, probably from Low German wabbeln "to wobble;" cognate with Old Norse vafla "hover about, totter," related to vafra "move unsteadily," from Proto-Germanic *wab- "to move back and forth," perhaps from PIE *webh- "to weave" (see waver). Form with -o- is from 1851. Related: Wobbled; wobbling. The noun is attested from 1690s.
