The story
- Proto-Indo-European*(s)neh₁-
- Proto-Indo-European*snéh₁wr̥
- Ancient Greekνεῦρον (neûron)
- Ancient Greekνευρο- (neuro-)
- Englishneuro-
- Proto-Indo-European*ǵʰes-
- Proto-Indo-European*ǵʰésōr
- Proto-Hellenic*kʰéhər
- Ancient Greekχείρ (kheír)
- Proto-Indo-European*werǵ-
- Proto-Indo-European*worǵós
- Proto-Hellenic*worgós
- Ancient Greekχειρουργός (kheirourgós)
- Ancient Greekχειρουργῐκός (kheirourgĭkós)
- Late Latinchīrurgicus
- Proto-Indo-European*h₂el-
- Proto-Indo-European*h₂élisder.?
- Medieval Latincirurgicālis
- Middle Frenchcirurgica
- Middle Englishcirurgical
- Englishsurgical
- Englishneurosurgical
- Proto-Indo-European*leyg-
- Proto-Germanic*līką
- English todayneurosurgically
From neurosurgical + -ly.
Etymology from Wiktionary, CC BY-SA 4.0.