The story
- Proto-Indo-European*úp
- Proto-Indo-European*upér
- Proto-Hellenic*hupér
- Ancient Greekῠ̔πέρ (hŭpér)
- Ancient Greekῠ̔περ- (hŭper-)
- Englishhyper-
- Englishstimulation
- English todayhyperstimulation
From hyper- + stimulation.
Etymology from Wiktionary, CC BY-SA 4.0.