Meaning

noun male sheep especially a castrated one

originFrom Middle English wether, wethir, wedyr, from Old English weþer (“a wether, ram”), from Proto-West Germanic *weþru, from Proto-Germanic *weþruz (“wether”), from Proto-Indo-European *wet- (“year”). Cognates Cognate with Scots weddir, woddir, wadder (“wether”), Dutch weder, weer (“wether”), German Widder (“wether, ram”), Norwegian Bokmål vær (“ram”), Norwegian Nynorsk vêr (“ram”), Swedish vädur…

Etymology from Wiktionary, CC BY-SA 3.0