Etymograph

English

filter

Filter comes from Medieval Latin filtrum ‘felt’, from Proto-Germanic *fellą ‘skin, hide’, and ultimately from Proto-Indo-European *pel-.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*pel-reconstructed
  2. Proto-Germanicc. 500 BCE–200 CE*fellą‘skin, hide’reconstructed
  3. Proto-West Germanicc. 200–500 CE*feltreconstructed
  4. Medieval Latinc. 600–1500filtrum‘felt’
  5. Middle Englishc. 1150–1500filtre
  6. Englishearliest quotation 1954filter

attested reconstructed ? uncertain or disputed deepest recorded ancestor

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*pel-reconstructed
  2. Proto-Germanicc. 500 BCE–200 CE*fellą‘skin, hide’reconstructed
  3. Proto-West Germanicc. 200–500 CE*feltreconstructed
  4. Medieval Latinc. 600–1500filtrum‘felt’
  5. Middle Englishc. 1150–1500filtre
  6. Englishearliest quotation 1954filter

Earliest quotation: 1954, Alexander Alderson: “You have probably never seen anything like this before,…”

Linked words

through Proto-Indo-European *pel-

simple, simply, push, film, complain, fold, pulse, powder, repeal, pillow, flaw, pollen, compulsive, expel, repel, palpable, palladium, propel, palate, palatable, pall, wallow, peloton, polemic, pelt, tuple, palatal, pollinate, apoplexy, peplum, palp, pulver, pillion, interpolate, 63 more

through Proto-Germanic *fellą ‘skin, hide’

fell, muffle, 2 more

through Proto-West Germanic *felt

felt, 2 more

Today it means

noun A device which separates a suspended, dissolved, or particulate matter from a fluid, solution, or other substance; any device that separates one substance from another.

Language periods are conventional ranges, not dates for this word.

Etymograph / Proto-Indo-European *pel- / filter