nor · conjunction1
- Middle English · inherited fromnauther
- English todaynor
Contraction of Middle English nauther, from nother. Cognate with neither. By surface analysis, not + or.
nor · noun2
From Etymology 1 (sense 2 above), reinterpreted as not + or or negation + or.
NOR · noun3
From nor. Reinterpreted as NOT + OR or negation + OR (see also NAND, formed analogically).
Etymology from Wiktionary, CC BY-SA 4.0.