Amicitia etymology in Latin

Latin word amicitia comes from Latin amicus, Latin -itiam

Dictionary entry	Language	Definition
amicus	Latin (lat)	(Augustan and later) courtier, minister, counsellor. Male friend Friendly, amicable. Welcome, pleasing.
-itiam	Latin (lat)
amicitia	Latin (lat)	An alliance. Friendship.

Amicitia etymology