Etymograph

English

flue

Flue comes from Middle English flowen ‘to spout or trickle’, from Old English flōwan ‘to flow’, and ultimately from Proto-Germanic *flōaną.

  1. Proto-Germanicc. 500 BCE–200 CE*flōaną‘to flow’reconstructed
  2. Proto-West Germanicc. 200–500 CE*flōan‘to flow’reconstructed
  3. Old Englishc. 450–1150flōwan‘to flow’
  4. Middle Englishc. 1150–1500flowenas flue‘to spout or trickle’
  5. Englishearliest quotation 1815flue

attested reconstructed ? uncertain or disputed

Earlier history uncertain.

Lineage

  1. Proto-Germanicc. 500 BCE–200 CE*flōaną‘to flow’reconstructed
  2. Proto-West Germanicc. 200–500 CE*flōan‘to flow’reconstructed
  3. Old Englishc. 450–1150flōwan‘to flow’
  4. Middle Englishc. 1150–1500flowenas flue‘to spout or trickle’
  5. Englishearliest quotation 1815flue

Earliest quotation: 1815, Robertson Buchanan, A Treatise on the Economy of Fuel: “It has frequently been a subject of inquiry, whether…”

Linked words

through Proto-Indo-European *plew- ‘to flow, swim’

fly, flew, pneumonia, plough, plutonium, fowl, plover, flay, plutocracy, 22 more

through Old English flōwan ‘to flow’

flowing, flown, overflow, 1 more

through Middle English flowen ‘to spout or trickle’

flow, 2 more

Today it means

noun A pipe or duct that carries gaseous combustion products away from the point of combustion (such as a furnace).

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

Etymograph / Proto-Germanic *flōaną / flue