Where does “Paterno” come from?

Paterno (English) comes from Italian paterno, from Latin paternus, from Latin pater, from Proto-Italic patēr, from Proto-Indo-European ph₂tḗr, from Proto-Indo-European peh₂- — to protect; to shepherd.

Ancestry of “Paterno”, step by step

StepLanguageWordMeaning
1Italianpaternopaternal, father's, fatherly
2LatinpaternusOf or pertaining to a father, paternal, fatherly;...
3Latinpaterfather; head of household; parent
4Proto-Italicpatērfather
5Proto-Indo-Europeanph₂tḗrfather
6Proto-Indo-Europeanpeh₂-to protect; to shepherd
Every word from Proto-Indo-European peh₂- →Every word from Proto-Indo-European ph₂tḗr →Every word from Proto-Italic patēr →