sprout (v.)youdaoicibaDictYouDict[sprout 词源字典]
Old English -sprutan (in asprutan "to sprout"), from Proto-Germanic *sprut- (cognates: Old Saxon sprutan, Old Frisian spruta, Middle Dutch spruten, Old High German spriozan, German sprießen "to sprout"), from PIE *spreud-, extended form of root *sper- (4) "to strew" (cognates: Greek speirein "to scatter," spora "a scattering, sowing," sperma "sperm, seed," literally "that which is scattered;" Old English spreawlian "to sprawl," sprædan "to spread," spreot "pole;" Armenian sprem "scatter;" Old Lithuanian sprainas "staring, opening wide one's eyes;" Lettish spriežu "I span, I measure"). Related: Sprouted; sprouting.[sprout etymology, sprout origin, 英语词源]
sprout (n.)youdaoicibaDictYouDict
"shoot of a plant, sprout; a twig," Old English sprota, from the verb (see sprout (v.)). Cognate with Middle Dutch spruyte, Dutch spruite "a sprout," Old Norse sproti, German Sproß.