Nativus etymology in Latin

Latin word nativus comes from Latin nascor, Latin -ivus (Adjective suffix.)

Dictionary entry	Language	Definition
nascor	Latin (lat)	I am a number of years old. I am born, begotten. I arise, proceed. I grow, spring forth.
-ivus	Latin (lat)	Adjective suffix.
nativus	Latin (lat)	(grammar, of words) original, primitive, primary. Created, made. Inborn, innate, imparted by birth. Natural, native, made by nature and not artificial.

Nativus etymology