Etymograph

English

biofilament

Biofilament comes from Latin fīlum ‘thread, string, filament, fiber’, and goes back to Proto-Indo-European *gʷʰiH-(s-)lo-.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*gʷʰiH-(s-)lo-1reconstructed
  2. Proto-Italicc. 1500–700 BCE*fī(s)lom1reconstructed
  3. Latinc. 75 BCE–200 CEfīlum1‘thread, string, filament, fiber’
  4. Late Latinmodernfīlō1
  5. Medieval Latinmodernfīlāmentum1
  6. English1500–presentfilament1
  7. Englishtodaybiofilament1

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, English biofilament

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*gʷʰiH-(s-)lo-Wiktionary, English biofilamentreconstructed
  2. Proto-Italicc. 1500–700 BCE*fī(s)lomWiktionary, English biofilamentreconstructed
  3. Latinc. 75 BCE–200 CEfīlumWiktionary, English biofilament‘thread, string, filament, fiber’
  4. Late LatinmodernfīlōWiktionary, English biofilament
  5. Medieval LatinmodernfīlāmentumWiktionary, English biofilament
  6. English1500–presentfilamentWiktionary, English biofilament
  7. EnglishtodaybiofilamentWiktionary, English biofilament

Linked words

through Proto-Italic *fī(s)lom

defile, 41 more

through Latin fīlum ‘thread, string, filament, fiber’

file, annihilation, fillet, annihilate, nihilism, nihilist, nihil, 43 more

through English filament

filamentous, 22 more

Today it means

noun A biological filament

Sources

Sources: Wiktionary, “biofilament”. 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- / biofilament

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