Etymology

ooid

O1O1I1D2

Today it means: A small calcium carbonate- or iron-coated grain found on the seafloor. Full definition →

Ancient Greek ᾠοειδής
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The story

  1. Ancient Greek · learned borrowing fromᾠοειδής
  2. Ancient Greek · learned borrowing fromᾠοειδής
  3. English todayooid

Learned borrowing from Ancient Greek ᾠοειδής (ōioeidḗs). By surface analysis, oo- (“egg”) + -(o)id (“-like, appearing”).

Etymology from Wiktionary, CC BY-SA 4.0.