Etymograph

English

fuel

Fuel comes from Old French fouaille ‘firewood’, from feu ‘fire’, from Late Latin focus ‘fire’, from Latin focus ‘hearth’.

  1. Latinc. 75 BCE–200 CEfocus1‘hearth’
  2. Late Latinc. 200–600 CEfocus1‘fire’
  3. Old Frenchc. 842–1400feu1‘fire’
  4. Old Frenchc. 842–1400fouaille1‘firewood’
  5. Middle Englishc. 1150–1500fuayle1‘fuel’
  6. Englishearliest quotation 1957fuel1

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, English fuel
  2. Earliest quotation in Wiktionary’s entry: 1957, Neville Shute: “[…] Lieutenant Hirsch appeared with a sheaf of signals…”.

Lineage

  1. Latinc. 75 BCE–200 CEfocusWiktionary, English fuel‘hearth’
  2. Late Latinc. 200–600 CEfocusWiktionary, English fuel‘fire’
  3. Old Frenchc. 842–1400feuWiktionary, English fuel‘fire’
  4. Old Frenchc. 842–1400fouailleWiktionary, English fuel‘firewood’
  5. Middle Englishc. 1150–1500fuayleWiktionary, English fuel‘fuel’
  6. Englishearliest quotation 1957fuelWiktionary, English fuel. Earliest quotation in Wiktionary’s entry: 1957, Neville Shute: “[…] Lieutenant Hirsch appeared with a sheaf of signals…”

Linked words

through Proto-Indo-European *bʰeh₂- ‘to shine’

phone, professor, famous, ben, phase, favor, favourite, ban, fantasy, fate, fancy, fame, photographer, emphasis, phenomenon, profession, fatal, bee, fairy, fabulous, abandon, infant, confession, confess, phantom, symphony, beacon, beck, boon, eff, fab, fay, bane, prophetic, epiphany, fable, banish, buoy, nefarious, profess, 125 more

through Late Latin focus ‘fire’

focus, foyer, focaccia, fusilier, 5 more

Today it means

noun Substance consumed to provide energy through combustion, or through chemical or nuclear reaction.

Sources

Sources: Wiktionary, “fuel”. 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 / Latin focus / fuel