The story
- Ancient Greekψῡχή (psūkhḗ)
- Ancient Greekψῡχο- (psūkho-)
- Englishpsycho-
- Ancient Greekφάρμᾰκον (phármăkon)
- Englishpharmaco-
- Proto-Indo-European*leǵ-
- Proto-Indo-European*lóǵos
- Proto-Hellenic*lógos
- Ancient Greekλόγος (lógos)
- Englishpharmacology
- Englishpsychopharmacology
- English todaypsychopharmacologist
From psychopharmacology + -ist.
Etymology from Wiktionary, CC BY-SA 4.0.