day

noun
/ˈdeɪ̯/US/ˈdeː//deɪ/

Etymology

Etymology tree Proto-Indo-European *dʰegʷʰ-? Proto-Germanic *dagaz Proto-West Germanic *dag Old English dæġ Middle English day English day Inherited from Middle English day, from Old English dæġ, from Proto-West Germanic *dag, from Proto-Germanic *dagaz (“day”), from Proto-Indo-European *dʰegʷʰ- (“to burn”). Cognates Cognate with Scots day, dei, dey, dy (“day”), Yola daie, dei, dey, die (“day”), North Frisian dai, doi, däi (“day”), Saterland Frisian Dai (“day”), West Frisian dei (“day”), Bavarian Dåg, Tåg (“day”), Central Franconian Daach (“day”), Cimbrian tag, tage (“day”), Dutch dag, dagge (“day”), German Tag (“day”), German Low German Dag, Dagg (“day”), Limburgish Daach, Daag (“day”), Luxembourgish Dag (“day”), Mòcheno ta (“day”), Vilamovian taog (“day”), West Flemish dag (“day”), Yiddish טאָג (tog, “day”), Danish, Norwegian Bokmål, Norwegian Nynorsk, and Swedish dag (“day”), Faroese and Icelandic dagur (“day”), Norn dagh (“day”), Crimean Gothic tag (“day”), Gothic 𐌳𐌰𐌲𐍃 (dags, “day”), Vandalic *dag- (“day”); also Breton deviñ (“to burn”), Cornish dewi (“to kindle”), Irish daigh (“fire, flame”), dóigh (“to burn, singe; sear, scorch”), Manx daah (“to scorch, singe; to cauterize”), Scottish Gaelic dòth (“scorch, singe; burn”), Welsh deifio (“to scorch, singe”), Latin foveō (“to warm, keep warm”), Greek τέφρα (téfra, “ash, cinder”), Albanian dhez, ndez (“to kindle, light”), Old Prussian dagis (“summer”), Armenian հրդեհ (hrdeh, “fire”), Sanskrit दह् (dah, “to burn, consume by fire, scorch, roast”).

  1. inherited from *dʰegʷʰ- — “to burn
  2. inherited from *dagaz — “day
  3. inherited from *dag
  4. inherited from dæġ
  5. inherited from day

Definitions

  1. The time when the Sun is above the horizon and it lights the sky.

    • day and night;  I work at night and sleep during the day.
    • The day was cool and snappy for August, and the Rise all green with a lavish nature. Now we plunged into a deep shade with the boughs lacing each other overhead, and crossed dainty, rustic bridges over the cold trout-streams,[…].
  2. A period of time equal or almost equal to a full day-night cycle, being 24 hours long.

    • Meronyms: quectosecond < rontosecond < yoctosecond < zeptosecond < attosecond < femtosecond < picosecond < nanosecond < microsecond < millisecond < centisecond < decisecond < second < decasecond < minute < hectosecond < kilosecond < hour
    • I've been here for two days and a bit.
  3. A 24-hour period beginning at 6am or sunrise.

    • Your 8am forecast: The high for the day will be 30 and the low, before dawn, will be 10.
  4. + 12 more definitions
    1. A period of time between two set times which mark the beginning and the end of day in a…

      A period of time between two set times which mark the beginning and the end of day in a calendar, such as from midnight to the following midnight or (Judaism) from nightfall to the following nightfall.

      • The day begins at midnight.
      • Monday is the first day of the week in many countries of the world.
    2. The rotational period of a planet.

      • A day on Mars is slightly over 24 hours.
    3. The part of a day period which one spends at one’s job, school, etc.

      • I worked two days last week.
    4. An observance lasting for a day, such as an annual holiday.

      • Christmas Day
      • Remembrance Day
    5. A specified time or period

      A specified time or period; time, considered with reference to the existence or prominence of a person or thing; age; time; era.

      • every dog has its day; in that day; back in the day; in those days
      • This new-comer was a man who in any company would have seemed striking.[…]Indeed, all his features were in large mold, like the man himself, as though he had come from a day when skin garments made the proper garb of men.
      • If they had no more food than they had had in Jones's day, at least they did not have less.
    6. A period of contention of a day or less.

      • The day belonged to the Allies.
    7. To spend a day (in a place).

      • I nighted and dayed in Damascus town[.]
    8. A surname originating as a patronymic derived from a medieval diminutive of David.

    9. An English surname originating as an occupation from day as a word for a "day-servant",…

      An English surname originating as an occupation from day as a word for a "day-servant", an archaic term for a day-laborer, or from given names such as Dagr, Daug, Dege, and Dey, cognate with Scandinavian Dag.

    10. A surname from Irish can be found as both Day and O'Day from Ó Deághaidh (“descendant of…

      A surname from Irish can be found as both Day and O'Day from Ó Deághaidh (“descendant of a person named Good Luck”).

    11. A number of places in the United States

      A number of places in the United States:

    12. A Mbum-Day language of Chad.

The neighborhood

Vish — recursive loop

A definitional loop anchored at day. Each word in the ring is defined by the next; follow the chain far enough and it folds back on itself. Scroll to it and watch.

01day02horizon03horizontal04plane05vertical06right07clockwise08clock

A definitional loop anchored at day. Each word in the ring appears in the definition of the next; follow the chain far enough and it folds back on itself.

8 hops · closes at day

curated · pre-corpus. live cycle detection across the full graph is the next major milestone.

sense glosses and etymology drawn from English Wiktionary · source · CC-BY-SA