Etymology

hemichordate

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Today it means: Any of many marine worms, of the phylum Hemichordata, that have a primitive notochord. Full definition →

English chordate ← Ancient Greek ἡμῐ- (hēmĭ-) ← Proto-Hellenic [Term?]
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The story

  1. Proto-Indo-European*sem-
  2. Proto-Indo-European*sēmi
  3. Proto-Hellenic[Term?]
  4. Ancient Greekἡμῐ- (hēmĭ-)
  5. Englishhemi-
  6. Englishchordate
  7. English todayhemichordate

From hemi- + chordate.

Etymology from Wiktionary, CC BY-SA 4.0.