English
neurofilament
Neurofilament comes from Latin fīlum ‘thread, string, filament, fiber’, and goes back to Proto-Indo-European *gʷʰiH-(s-)lo-.
- Proto-Indo-Europeanc. 4500–2500 BCE*gʷʰiH-(s-)lo-1reconstructed
- Proto-Italicc. 1500–700 BCE*fī(s)lom1reconstructed
- Latinc. 75 BCE–200 CEfīlum1‘thread, string, filament, fiber’
- Late Latinmodernfīlō1
- Medieval Latinmodernfīlāmentum1
- English1500–presentfilament1
- Englishtodayneurofilament1
attested reconstructed ? uncertain or disputed deepest recorded ancestor
- 1 Wiktionary, English neurofilament
Lineage
- Proto-Indo-Europeanc. 4500–2500 BCE*gʷʰiH-(s-)lo-Wiktionary, English neurofilamentreconstructed
- Proto-Italicc. 1500–700 BCE*fī(s)lomWiktionary, English neurofilamentreconstructed
- Latinc. 75 BCE–200 CEfīlumWiktionary, English neurofilament‘thread, string, filament, fiber’
- Late LatinmodernfīlōWiktionary, English neurofilament
- Medieval LatinmodernfīlāmentumWiktionary, English neurofilament
- English1500–presentfilamentWiktionary, English neurofilament
- EnglishtodayneurofilamentWiktionary, English neurofilament
A compound of neuro- + filament
Proto-Indo-European *(s)neh₁- ‘to spin (thread), to sew’
Proto-Indo-European *snéh₁wr̥ ‘sinew, tendon’
Ancient Greek νεῦρον ‘sinew, tendon, cord’
English neuro-
Proto-Indo-European *gʷʰiH-(s-)lo-
Proto-Italic *fī(s)lom
Latin fīlum ‘thread’
Late Latin fīlō ‘to spin, draw out in a long line’
Medieval Latin fīlāmentum
English filament
Linked words
through Proto-Italic *fī(s)lom
through Latin fīlum ‘thread, string, filament, fiber’
file, annihilation, fillet, annihilate, nihilism, nihilist, nihil, 43 more
through English filament
Today it means
noun A neurofibril
Sources
Sources: Wiktionary, “neurofilament”. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.
Etymograph / Proto-Indo-European *gʷʰiH-(s-)lo- / neurofilament