Where does “padre” come from?

padre (Classical Nahuatl) comes from Spanish padre, from Old Spanish padre, from Latin pater, from Proto-Italic patēr, from Proto-Indo-European ph₂tḗr, from Proto-Indo-European peh₂- — to protect; to shepherd.

padre (Classical Nahuatl): a Christian priest

Definitions

a Christian priest

Ancestry of “padre”, step by step

Step	Language	Word	Meaning
1	Spanish	padre	father; cool, acceptable, easy
2	Old Spanish	padre	father
3	Latin	pater	father; head of household; parent
4	Proto-Italic	patēr	father
5	Proto-Indo-European	ph₂tḗr	father
6	Proto-Indo-European	peh₂-	to protect; to shepherd

Every word from Proto-Indo-European peh₂- →Every word from Proto-Indo-European ph₂tḗr →Every word from Proto-Italic patēr →