PIE *wet, yearから派生して、成熟、成長、牛、羊など、特に雄羊に使われ、語源的にはveal, veteranと同じ。
英語の語源
wether (n.)
"male sheep," especially a castrated one, Old English weeer "ram," from Proto-Germanic *wethruz (cognates: Old Saxon wethar, Old Norse veer, Old High German widar, German Widder, Gothic witrus "lamb"), literally "yearling," from PIE root *wet- (2) "year" (cognates: Sanskrit vatsah "calf," Greek etalon "yearling," Latin vitulus "calf," literally "yearling").
例文
1. Anyone who stops learning is old, wether at twenty or eighty.
20歳でも80歳でも、勉強をやめると老化する。
2.The last value defines wether the light is positional or directional.
最後の値は、光源が位置光源であるか方向光であるかを定義します。
3.We couldn??t change the wether ,but we could later out heart!