The story
- Proto-Indo-European*úp
- Proto-Indo-European*upér
- Proto-Hellenic*hupér
- Ancient Greekῠ̔πέρ (hŭpér)
- Ancient Greekῠ̔περ- (hŭper-)
- Englishhyper-
- Proto-Hellenic*plátʰyō
- Proto-Hellenic*plát͏̌t͏̌ō?
- Ancient Greekπλάσσω (plássō)
- Ancient Greekπλᾰ́σῐς (plắsĭs)
- Englishhyperplasia
- English todayhyperplasic
From hyperplasia + -ic.
Etymology from Wiktionary, CC BY-SA 4.0.