The story
- Proto-Indo-European*(s)neh₁-
- Proto-Indo-European*snéh₁wr̥
- Ancient Greekνεῦρον (neûron)
- Ancient Greekνευρο- (neuro-)
- Englishneuro-
- Proto-Indo-European*bʰuH-
- Proto-Indo-European*bʰuHyéti
- Ancient Greekφῠ́ω (phŭ́ō)
- Ancient Greekφῠ́σῐς (phŭ́sĭs)
- Englishphysio-
- Proto-Indo-European*leǵ-
- Proto-Indo-European*lóǵos
- Proto-Hellenic*lógos
- Ancient Greekλόγος (lógos)
- Proto-Indo-European*h₂el-
- Proto-Indo-European*h₂élisder.?
- Latinphysiologicus
- Englishphysiological
- English todayneurophysiological
From neuro- + physiological. By surface analysis, neurophysiology + -ical.
Etymology from Wiktionary, CC BY-SA 4.0.