Where does “Pílatus” come from?

Pílatus (Icelandic) comes from Latin Pīlātus, from Latin pīlum, from Proto-Italic pistlom, from Proto-Indo-European pis-tlo-, from Proto-Indo-European peys- — to grind, to crush.

Ancestry of “Pílatus”, step by step

Step	Language	Word	Meaning
1	Latin	Pīlātus	—
2	Latin	pīlum	—
3	Proto-Italic	pistlom	—
4	Proto-Indo-European	pis-tlo-	—
5	Proto-Indo-European	peys-	to grind, to crush

Every word from Proto-Indo-European peys- →

Pílatus — Etymology, Origin & Word History | Etymology Explorer