Etymograph

English

filamentoid

Filamentoid comes from Proto-Indo-European *wéydos ‘seeing’, and goes back to *weyd- ‘to see’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*weyd-1‘to see’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*wéydos1‘seeing’reconstructed
  3. Proto-Hellenicc. 2200–1600 BCE*wéidos1reconstructed
  4. Ancient Greekc. 800–300 BCEεἶδος1eîdos
  5. Englishtodayfilamentoid1

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, English filamentoid

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*weyd-Wiktionary, English filamentoid‘to see’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*wéydosWiktionary, English filamentoid‘seeing’reconstructed
  3. Proto-Hellenicc. 2200–1600 BCE*wéidosWiktionary, English filamentoidreconstructed
  4. Ancient Greekc. 800–300 BCEεἶδοςWiktionary, English filamentoideîdos
  5. EnglishtodayfilamentoidWiktionary, English filamentoid

Linked words

through Proto-Indo-European *weyd- ‘to see’

guy, story, video, idea, review, visit, provide, advice, evidence, interview, vision, guide, witness, historic, wisdom, visa, advise, invisible, wit, wizard, historian, vista, visibility, wisely, witty, evident, revise, guise, prudent, unwise, envious, revue, jurisprudence, improvise, prudence, avis, purview, druid, vide, twit, 103 more

through Proto-Indo-European *wéydos ‘seeing’

wise, 47 more

through Proto-Hellenic *wéidos

steroidal, eidolon, 47 more

through Ancient Greek εἶδος

idol, steroid, tabloid, hypothyroidism, idyll, hyperthyroidism, parathyroid, thyroxine, trapezoid, hyoid, colloid, thyroiditis, sigmoid, 49 more

Today it means

adj Like a filament.

Sources

Sources: Wiktionary, “filamentoid”. 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 *weyd- / filamentoid

Shirt and support for this word