Where does “puta” come from?

puta (Latin) comes from Latin puto, from Latin putus, from Proto-Indo-European puHtós, from Proto-Indo-European pewH- — to be clean, pure.

puta (Latin): second-person singular present active imperative...

Definitions

Step	Language	Word	Meaning
1	Latin	puto	I clean, cleanse; I trim, prune, lop; I arrange,...
2	Latin	putus	pure; a boy
3	Proto-Indo-European	puHtós	pure, clean
4	Proto-Indo-European	pewH-	to be clean, pure