Etymology

moiety

moi·e·ty
M3O1I1E1T1Y4

Today it means: A half. Full definition →

Middle French moytié ← Old French meitié ← Late Latin medietās
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The story

  1. Proto-Indo-European · derived from*médʰyos“middle”
  2. Proto-Indo-European · derived from*-teh₂ts
  3. Latin · derived frommedius“half; middle”
  4. Late Latin · derived frommedietās“centre, midpoint; half”
  5. Old French · derived frommeitié“half”
  6. Middle French · borrowed frommoytié
  7. English todaymoiety

Borrowed from Middle French moytié, from Old French meitié (“half”) (modern French moitié (“half”)), from Late Latin medietās (“centre, midpoint; half”), from Latin medius (“half; middle”) + -tās (from Proto-Indo-European *-teh₂ts (suffix forming nouns indicating a state of being)). Medius is ultimately derived from Proto-Indo-European *médʰyos (“middle”), possibly from *me-dʰi- (“among; with”), from *me (“in the middle of; among; with”). The word is a doublet of mediety.

Words from the same roots

Latinmedius all →

meanmediationmediomilieumoyenmediusmedicommissuremedicornumi-parti

Proto-Indo-European*médʰyos all →

mediamiddlemediummidmedianmeridianmezzaninemedioimellmiddle earthmi-parti

Etymology from Wiktionary, CC BY-SA 4.0.