Weir
来自Big Physics
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Old English wer, from werian ‘dam up’.
wiktionary
From Middle English were, from Old English wer, from werian(“to dam up”), from Proto-West Germanic *warjan, from Proto-Germanic *warjaną, from Proto-Indo-European *wer-(“to cover”); Cognate with Old Norse ver(“station for fishing”), Sanskrit वृणोति(vṛṇóti). Related to warranty.
etymonline
weir (n.)
Old English wer "dam, fence, enclosure," especially one for catching fish (related to werian "dam up"), from Proto-Germanic *wer-jon- (source also of Old Norse ver, Old Frisian and Middle Dutch were, Dutch weer, Old High German wari, German Wehr "defense, protection," Gothic warjan "to defend, protect"), from PIE root *wer- (4) "to cover."
