Meaning

noun a small branch or division of a branch (especially a terminal division); usually applied to branches of the current or preceding year

verb branch out in a twiglike manner

verb understand, usually after some initial difficulty

originPIE word *dwóh₁ Etymology tree Proto-Germanic *twīgą Proto-West Germanic *twīg Old English twiġ Middle English twig English twig From Middle English twig, twyg, twigge, twygge, from Old English twigg, twicg, from Proto-West Germanic *twiggu (“small twig, shoot”), apparently a diminutive of Proto-West Germanic *twig (“branch, twig”) (whence also Old English twiġ and twiġa), from Proto-Germanic…

Etymology from Wiktionary, CC BY-SA 3.0