Where does “pilus” come from?

pilus (Late Latin) comes from Proto-Indo-European pil-, from Proto-Algonquian *pi·l-.

pilus (Late Latin): A hair; An insignificant amount; iota; least...

Definitions

Step	Language	Word	Meaning
1	Proto-Indo-European	pil-	one string of hair; string of hair; strand of...
2	Proto-Algonquian	*pi·l-	—