whether: [OE] Whether was formed in the prehistoric Germanic period from the interrogative base *khwa-, *khwe- (source of English what, who, etc) and the comparative suffix *-theraz, which also occurs in English other. Its Germanic relatives include German weder ‘neither’ and Swedish hvar ‘each’. English either goes back to a Germanic compound formed from the ancestors of ay and whether. => either, other[whether etymology, whether origin, 英语词源]