The story
- Proto-Indo-European*sem-
- Proto-Indo-European*sēmi
- Proto-Hellenic[Term?]
- Ancient Greekἡμῐ- (hēmĭ-)
- Englishhemi-
- Ancient Greekἄλγος (álgos)
- English todayhemialgia
From hemi- + Ancient Greek ἄλγος (álgos, “pain”) + English -ia.
Etymology from Wiktionary, CC BY-SA 4.0.