Etymograph

English

filth

Filth comes from Proto-West Germanic *fūliþu ‘foulness, rottenness, filth’, from *fūl ‘foul, dirty’, and ultimately from Proto-Indo-European *puH- ‘to be rotten’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*puH-‘to be rotten’reconstructed
  2. Proto-Indo-European, derivedc. 4500–2500 BCE*púH-lo-sreconstructed
  3. Proto-Germanicc. 500 BCE–200 CE*fūlaz‘foul, dirty’reconstructed
  4. Proto-West Germanicc. 200–500 CE*fūl‘foul, dirty’reconstructed
  5. Proto-West Germanic, derivedc. 200–500 CE*fūliþu‘foulness, rottenness, filth’reconstructed
  6. Old Englishc. 450–1150fȳlþu
  7. Middle Englishc. 1150–1500filth
  8. Englishearliest quotation 1671same form

attested reconstructed ? uncertain or disputed

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*puH-‘to be rotten’reconstructed
  2. Proto-Indo-European, derivedc. 4500–2500 BCE*púH-lo-sreconstructed
  3. Proto-Germanicc. 500 BCE–200 CE*fūlaz‘foul, dirty’reconstructed
  4. Proto-West Germanicc. 200–500 CE*fūl‘foul, dirty’reconstructed
  5. Proto-West Germanic, derivedc. 200–500 CE*fūliþu‘foulness, rottenness, filth’reconstructed
  6. Old Englishc. 450–1150fȳlþu
  7. Middle Englishc. 1150–1500filth
  8. Englishearliest quotation 1671same form

Earliest quotation: 1671, John Tillotson, Phil[ippians] iij. 8.: “Novv all theſe Precepts do not only tend to…”

Formed from foul + -th

Proto-Indo-European *puH- ‘foul, rotten’

Proto-Germanic *fūlaz ‘foul, rotten’

Proto-West Germanic *fūl ‘foul, dirty’

Old English fūl ‘foul, dirty, unclean, impure, vile, corrupt,…’

Middle English ffoul

English foul

Linked words

through Proto-Indo-European *puH- ‘to be rotten’

pus, putrid, 12 more

through Proto-Germanic *fūlaz ‘foul, dirty’

file

through Proto-West Germanic *fūl ‘foul, dirty’

foul, defile

Today it means

noun Dirt; foul matter; that which soils or defiles.

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

Etymograph / Proto-Indo-European *puH- / filth