Where does “Băicoianu” come from?

Băicoianu (Romanian) comes from Romanian Băicoi, from Romanian -oi, from Latin -oneus.

Ancestry of “Băicoianu”, step by step

Step	Language	Word	Meaning
1	Romanian	Băicoi	—
2	Romanian	-oi	augmentative suffix, used to indicate a larger...
3	Latin	-oneus	—