Etymology

all-day

Today it means: Lasting throughout the whole day. Full definition →

English day ← Middle English day ← Old English dæġ
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The story

  1. Proto-Indo-European*h₂el-der.?
  2. Proto-Indo-European*h₂elnós
  3. Proto-Germanic*allaz
  4. Proto-Germanic*ala-
  5. Proto-West Germanic*ala-
  6. Old Englishæl-
  7. Middle Englishall-
  8. Englishall-
  9. Proto-Indo-European*dʰegʷʰ-?
  10. Proto-Germanic*dagaz
  11. Proto-West Germanic*dag
  12. Old Englishdæġ
  13. Middle Englishday
  14. Englishday
  15. English todayall-day

From all- + day.

Etymology from Wiktionary, CC BY-SA 4.0.