Enmity etymology in English

English word enmity comes from Latin amicus, Latin ingratus (Thankless. Ungrateful. Unpleasant, disagreeable.), Italian inimicizia (Enmity.)

Dictionary entry	Language	Definition
amicus	Latin (lat)	Friendly, amicable. Welcome, pleasing (Augustan and later) courtier, minister, counsellor. Male friend.
ingratus	Latin (lat)	Thankless. Ungrateful. Unpleasant, disagreeable.
inimicizia	Italian (it)	Enmity.
inimicitia	Latin (lat)	(usually in plural) Enmity, hostility, ill will.
*inimicitas	Latin (lat)
*inimicitatem	Late Latin (LL)
*inimicitas	Vulgar Latin (la-vul)
enemistié	Old French (fro)
enmity	English (en)	A state or feeling of opposition, hostility, hatred or animosity.. The quality of being an enemy; hostile or unfriendly disposition.

Enmity etymology