Etymology

deltoid

D2E1L1T1O1I1D2

Today it means: The deltoid muscle, a triangular muscle on the human shoulder. Full definition →

Latin deltoideus
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The story

  1. Latin · derived fromdeltoideus
  2. English todaydeltoid

From Latin deltoideus, which was in turn from Ancient Greek adjective δελτοειδής (deltoeidḗs). See also: δέλτα (délta), the fourth letter of the Greek alphabet.

Etymology from Wiktionary, CC BY-SA 4.0.