Etymology

half-moon

Today it means: The moon in its first or last quarter when only half the visible face is illuminated; a quarter moon. Full definition →

English moon ← Middle English mone ← Old English mōna
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The story

  1. Englishhalf-
  2. Proto-Indo-European*med-
  3. Proto-Indo-European*meh₁-?
  4. Proto-Indo-European*mḗh₁n̥s
  5. Proto-Germanic*mēnô
  6. Proto-West Germanic*mānō
  7. Old Englishmōna
  8. Middle Englishmone
  9. Englishmoon
  10. English todayhalf-moon

From half- + moon.

Etymology from Wiktionary, CC BY-SA 4.0.