Where does “Arsenoiu” come from?

Arsenoiu (Romanian) comes from Romanian -oiu, from Romanian -oi, from Latin -oneus.

Ancestry of “Arsenoiu”, step by step

StepLanguageWordMeaning
1Romanian-oiusuffix forming many Romanian surnames
2Romanian-oiaugmentative suffix, used to indicate a larger...
3Latin-oneus
Every word from Latin -oneusEvery word from Romanian -oiuEvery word from Romanian -oi