Etymology

amnion

A1M3N1I1O1N1

Today it means: The innermost membrane of the fetal membranes of reptiles, birds, and mammals; the sac in which the embryo is suspended. Full definition →

Latin amnion ← Ancient Greek ἀμνίον
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The story

  1. Ancient Greek · derived fromἀμνίον
  2. Latin · learned borrowing fromamnion“membrane around a fetus”
  3. English todayamnion

From Latin amnion (“membrane around a fetus”), from Ancient Greek ἀμνίον (amníon).

Words from the same roots

Ancient Greekἀμνίον all →

amniotic

Etymology from Wiktionary, CC BY-SA 4.0.