Etymograph

English

hour

Hour comes from Ancient Greek ὥρᾱ ‘any defined period of time’, and goes back to Proto-Indo-European *yóh₁r̥ ‘year, season’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*yóh₁r̥‘year’reconstructed
  2. Ancient Greekc. 800–300 BCEὥρᾱhṓrā‘any defined period of time’
  3. Latinc. 75 BCE–200 CEhōra
  4. Old Frenchc. 842–1400houre
  5. Middle Englishc. 1150–1500same form
  6. Englishearliest quotation 1661hour

attested reconstructed ? uncertain or disputed

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*yóh₁r̥‘year’reconstructed
  2. Ancient Greekc. 800–300 BCEὥρᾱhṓrā‘any defined period of time’
  3. Latinc. 75 BCE–200 CEhōra
  4. Old Frenchc. 842–1400houre
  5. Middle Englishc. 1150–1500same form
  6. Englishearliest quotation 1661hour

Earliest quotation: 1661, John Fell, The Life of the most learned: “During the whole time of his abode in the…”

The story

Partly displaced native Old English tīd (‘time, hour’), whence Modern English tide.

Linked words

through Proto-Indo-European *(H)yeh₁- ‘to throw’

project, disease, object, ease, jet, adjacent, injection, jess, trajectory, inject, catheter, gist, conjecture, ejection, jetty, abject, eject, ejaculation, enema, ejaculate, jettison, jut, subjection, iambic, interject, joist, jetsam, 43 more

through Proto-Indo-European *yóh₁r̥ ‘year, season’

year, yore, hora, 4 more

Today it means

noun A unit of time of one twenty-fourth of a day (sixty minutes).

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

Etymograph / Proto-Indo-European *yóh₁r̥ / hour