Etymology

xenobiont

X8E1N1O1B3I1O1N1T1

Today it means: Any organism found in surroundings, or in association with another organism, in which it is normally absent. Full definition →

English xeno- ← Ancient Greek ξένος (xénos) ← Proto-Hellenic *ksénwos
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The story

  1. Proto-Hellenic*ksénwos
  2. Ancient Greekξένϝος (xénwos)
  3. Ancient Greekξένος (xénos)
  4. Englishxeno-
  5. English todayxenobiont

From xeno- + -biont.

Etymology from Wiktionary, CC BY-SA 4.0.