noryoudaoicibaDictYouDict[nor 词源字典]
nor: [14] Nor began life in the Old English period as nother. This was a compound formed from the negative particle and an unrecorded *ōther, a word related to either which expressed the notion of ‘alternative’. In the Middle English period this was contracted to nor.
=> either[nor etymology, nor origin, 英语词源]
nor (conj.)youdaoicibaDictYouDict
c. 1300, contraction of Middle English nauther (see neither). Influenced in form by or.