From Middle English houre, hour, oure, from Anglo-Norman houre#Old_French, from Old French houre, from Latin hōra, from Ancient Greek ὥρα, from Proto-Indo-European *yóh₁r̥.

Partly displaced native Old English tīd, whence Modern English tide.

• (British) enPR: owʹər, IPA: /ˈaʊə(ɹ)/
• (America, Canada) enPR: owr, IPA: /ˈaʊɚ/
• (Indian) IPA: /aː(r)/, /ɐʋə(r)/, /ɐwə(r)/

hour (plural hours)

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

   I spent an hour at lunch.

   • 1915, G[eorge] A. Birmingham [pseudonym; James Owen Hannay], chapter I, in Gossamer, New York, N.Y.: George H. Doran Company, →OCLC ↗:

     It is never possible to settle down to the ordinary routine of life at sea until the screw begins to revolve. There is an hour or two, after the passengers have embarked, which is disquieting and fussy.

2. A season, moment, or time.
   • 1912 January, Zane Grey, chapter 3, in Riders of the Purple Sage […], New York, N.Y., London: Harper & Brothers Publishers, →OCLC ↗:

     Now will be a good hour to show you Milly Erne's grave.

3. (poetic) The time.

   The hour grows late and I must go home.

4. (military, in the plural) Used after a two-digit hour and a two-digit minute to indicate time.
5. (chiefly, in the plural) The amount of labor demanded by an employer in terms of time.

   I asked my manager for more hours.

   The shop wasn't giving me enough hours so I started searching for a second job.

6. (Christianity, in the plural) The set times of prayer, the canonical hours, the offices or services prescribed for these, or a book containing them.
7. (chiefly US) A distance that can be traveled in one hour.

   This place is an hour away from where I live.

• Singular: hr
• Plural: hrs

• (period of sixty minutes, a season or moment) stound (obsolete); microcentury (humorous approximation)

• French: heure
• German: Stunde
• Italian: ora
• Portuguese: hora
• Russian: час
• Spanish: hora

• German: Zeit, Uhr
• Portuguese: hora
• Russian: час
• Spanish: hora

• French: heures