Where does “Petruțoiu” come from?

Petruțoiu (Romanian) comes from Romanian Petruț, from Romanian -uț, from Latin -utus, from Latin -tus, from Proto-Italic -tus, from Proto-Indo-European -tus — Derives action nouns from verb roots.

Ancestry of “Petruțoiu”, step by step

Step	Language	Word	Meaning
1	Romanian	Petruț	—
2	Romanian	-uț	Forms masculine diminutives of nouns and...
3	Latin	-utus	—
4	Latin	-tus	Forms the past participle of verbs; Forms...
5	Proto-Italic	-tus	—
6	Proto-Indo-European	-tus	Derives action nouns from verb roots

Every word from Proto-Indo-European -tus →Every word from Latin -tus →Every word from Romanian -uț →