Etymology

corrugator cutis ani

Today it means: A thin stratum of involuntary muscular fiber that radiates from the anus. Full definition →

New Latin corrūgātor cutis ānī
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The story

  1. New Latin · borrowed fromcorrūgātor cutis ānī“wrinkler of the skin of the anus”
  2. English todaycorrugator cutis ani

Borrowed from New Latin corrūgātor cutis ānī (“wrinkler of the skin of the anus”).

Etymology from Wiktionary, CC BY-SA 4.0.