Etymology

hypotonic

H4Y4P3O1T1O1N1I1C3

Today it means: Having a lower osmotic pressure than another. Full definition →

English tonic ← Ancient Greek τονῐκός (tonĭkós) ← Proto-Hellenic *tónos
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The story

  1. Proto-Indo-European*upó
  2. Ancient Greekῠ̔πό (hŭpó)
  3. Ancient Greekὑπο- (hupo-)
  4. Englishhypo-
  5. Proto-Indo-European*ten-
  6. Proto-Indo-European*tónos
  7. Proto-Hellenic*tónos
  8. Ancient Greekτόνος (tónos)
  9. Ancient Greekτονῐκός (tonĭkós)
  10. Englishtonic
  11. English todayhypotonic

From hypo- + tonic.

Etymology from Wiktionary, CC BY-SA 4.0.