Where does “proper” come from?

proper (Middle Dutch) comes from Old French propre, from Latin prōprius — appropriate to oneself: (one's) proper, (one's) own.

Ancestry of “proper”, step by step

StepLanguageWordMeaning
1Old Frenchpropreown; proper, appropriate, correct; special
2Latinprōpriusappropriate to oneself: (one's) proper, (one's) own

Words derived from “proper

Every word from Latin prōpriusEvery word from Old French propre