Etymology

cardinality

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Today it means: The number of elements a given set contains. Full definition →

Latin cardinālitās ← Proto-Indo-European *h₂élisder.?
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The story

  1. Latincardō
  2. Proto-Indo-European*h₂el-
  3. Proto-Indo-European*h₂élisder.?
  4. Latincardinālis
  5. Latincardinālitās
  6. English todaycardinality

Derived from Latin cardinālitās. By surface analysis, cardinal + -ity.

Etymology from Wiktionary, CC BY-SA 4.0.