The story
- Proto-Indo-European*né
- Proto-Indo-European*n̥-
- Proto-Italic*n̥-
- Latinin-
- Proto-Indo-European*h₃emh₃-
- Proto-Italic*amāō
- Latinamō
- Latinamīcus
- Latininimīcus
- Vulgar Latin*inimicitas
- Old Frenchenemisté
- Middle Englishenemyte
- English todayenmity
From Middle English enemyte, from Old French enemisté, ennemistié, from Late Latin, Vulgar Latin *inimīcitās, *inimīcitātem, from Latin inimīcus (“enemy”). Cognate with French inimitié, Portuguese inimizade, Spanish enemistad. By surface analysis, en(e)m(y) + -ity.
Etymology from Wiktionary, CC BY-SA 4.0.