The story
- Proto-Indo-European*(s)neh₁-
- Proto-Indo-European*snéh₁wr̥
- Ancient Greekνεῦρον (neûron)
- Ancient Greekνευρο- (neuro-)
- Englishneuro-
- Proto-Indo-European*gʷʰiH-(s-)lo-
- Proto-Italic*fī(s)lom
- Latinfīlum
- Late Latinfīlō
- Medieval Latinfīlāmentum
- Englishfilament
- Proto-Indo-European*h₃ed-
- Proto-Indo-European*h₃édosder.?
- Englishfilamentous
- English todayneurofilamentous
From neuro- + filamentous.
Etymology from Wiktionary, CC BY-SA 4.0.