Etymology

subsemigroup

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Today it means: Any subset of a semigroup that is closed under the semigroup operation. Full definition →

English semigroup ← Latin sub-
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The story

  1. Latinsub
  2. Latinsub-
  3. Englishsub-
  4. Englishsemigroup
  5. English todaysubsemigroup

From sub- + semigroup.

Etymology from Wiktionary, CC BY-SA 4.0.