Etymology

hydroacoustics

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Today it means: Any of various sciences and technologies dealing with sound transmitted through water. Full definition →

English acoustics ← Medieval Latin acousticus ← Ancient Greek ᾰ̓κουστῐκός (ăkoustĭkós)
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The story

  1. Proto-Indo-European*wed-
  2. Proto-Indo-European*wódr̥
  3. Proto-Hellenic*údōr
  4. Ancient Greekῡ̆̔́δωρ (hū̆́dōr)
  5. Ancient Greekῠ̔δρο- (hŭdro-)
  6. Englishhydro-
  7. Proto-Indo-European*h₂eḱ-
  8. Proto-Indo-European*h₂ew-
  9. Proto-Indo-European*h₂ṓws
  10. Proto-Indo-European*h₂ḱh₂owsyéti
  11. Proto-Hellenic*akóuhō
  12. Ancient Greekἀκούω (akoúō)
  13. Ancient Greekᾰ̓κουστῐκός (ăkoustĭkós)
  14. Medieval Latinacousticus
  15. Englishacoustic
  16. Englishacoustics
  17. English todayhydroacoustics

From hydro- + acoustics.

Etymology from Wiktionary, CC BY-SA 4.0.