The story
- Proto-Indo-European*per-
- Proto-Indo-European*preh₂-
- Proto-Hellenic*pərai
- Ancient Greekπᾰρᾰ́ (părắ)
- Ancient Greekσῖτος (sîtos)
- Ancient Greekπαράσιτος (parásitos)
- Latinparasītus
- Middle Frenchparasite
- Englishparasite
- Proto-Indo-European*leǵ-
- Proto-Indo-European*lóǵos
- Proto-Hellenic*lógos
- Ancient Greekλόγος (lógos)
- Englishparasitology
- English todayparasitologist
From parasitology + -ist.
Etymology from Wiktionary, CC BY-SA 4.0.