The story
- Proto-Indo-European*s(w)é
- Latinsē-
- Proto-Indo-European*perh₃-
- Proto-Indo-European*pr̥h₃o-
- Proto-Italic*paro-
- Latinparō
- Latinsēparō
- Latinsēparātor
- English todayseparator
Borrowed from Latin sēparātor.
Etymology from Wiktionary, CC BY-SA 4.0.