Where does “Monteoru” come from?

Monteoru (Romanian) comes from Romanian munteor, from Romanian munte, from Latin montem, from Latin mons, from Proto-Indo-European monti, from Portuguese Monte, from Old Portuguese monte.

Ancestry of “Monteoru”, step by step

Step	Language	Word	Meaning
1	Romanian	munteor	—
2	Romanian	munte	mountain
3	Latin	montem	accusative singular of mōns; mountain
4	Latin	mons	mountain, mount; towering mass, heap, great...
5	Proto-Indo-European	monti	—
6	Portuguese	Monte	mount; a mountain or large hill
7	Old Portuguese	monte	—

Every word from Old Portuguese monte →Every word from Latin montem →Every word from Latin mons →