Meaning

adjective marked by suitability or rightness or appropriateness

adjective having all the qualities typical of the thing specified

adjective limited to the thing specified

originEtymology tree Latin propriusbor. Anglo-Norman proprebor. Middle English propre English proper From Middle English propre, from Anglo-Norman proper, propre, Old French propre (French: propre), from Latin proprius.

Etymology from Wiktionary, CC BY-SA 3.0