Etymology

bio-

Ancient Greek βῐο- (bĭo-) ← Proto-Indo-European *gʷeyh₃-
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The story

  1. Proto-Indo-European*gʷeyh₃-
  2. Ancient Greekβῐ́ος (bĭ́os)
  3. Ancient Greekβῐο- (bĭo-)
  4. English todaybio-

From Ancient Greek βιο- (bio-), combining form and stem of βίος (bíos, “life”). By surface analysis, bi- (“life”) + -o-.

Etymology from Wiktionary, CC BY-SA 4.0.