The story
- Proto-Hellenic*wórwos
- Ancient Greekὅρος (hóros)
- Ancient Greekὁρίζω (horízō)
- Ancient Greekὁρισμός (horismós)
- Proto-Indo-European*leǵ-
- Proto-Indo-European*lóǵos
- Proto-Hellenic*lógos
- Ancient Greekλόγος (lógos)
- English todayorismology
From Ancient Greek ὁρισμός (horismós, “definition”) + English -logy.
Etymology from Wiktionary, CC BY-SA 4.0.