Where does “Aurora Hill Proper” come from?

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

Ancestry of “Aurora Hill Proper”, step by step

Aurora Hill Proper traces back through two separate lines of ancestry.

via English proper

StepLanguageWordMeaning
1Englishproper"Suitable."; "Possessed, related."; "Accurate,...
2Middle Englishpropre
3Old Frenchpropreown; proper, appropriate, correct; special
4Latinprōpriusappropriate to oneself: (one's) proper, (one's) own

via English Aurora Hill

StepLanguageWordMeaning
1EnglishAurora Hill
Every word from Latin prōpriusEvery word from Old French propreEvery word from Middle English propre