The story
- Proto-Indo-European*ǵerh₂-
- Proto-Indo-European*ǵérh₂onts
- Proto-Hellenic*géronts
- Ancient Greekγέροντος (gérontos)
- Englishgeronto-
- Proto-Indo-European*leǵ-
- Proto-Indo-European*lóǵos
- Proto-Hellenic*lógos
- Ancient Greekλόγος (lógos)
- Englishgerontology
- Proto-Indo-European*h₂el-
- Proto-Indo-European*h₂élisder.?
- English todaygerontological
From gerontology + -ical.
Etymology from Wiktionary, CC BY-SA 4.0.