Etymograph

English

filamentation

Filamentation comes from Medieval Latin fīlāmentum, from Latin fīlum ‘thread, string, filament, fiber’, and ultimately from 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. Englishtodayfilamentation1

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, English filamentation

Lineage

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

Linked words

through Proto-Italic *fī(s)lom

defile, 42 more

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

file, fillet, nihilism, annihilation, annihilate, nihilist, nihil, 44 more

Today it means

noun The growth of filaments.

Sources

Sources: Wiktionary, “filamentation”. 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- / filamentation