Where does “pil” come from?

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

Ancestry of “pil”, step by step

Step	Language	Word	Meaning
1	Latin	pilus	A hair; An insignificant amount; iota; least...
2	Proto-Indo-European	pil-	one string of hair; string of hair; strand of...
3	Proto-Algonquian	*pi·l-	—