Etymograph

English

acoustics

Acoustics comes from Ancient Greek ᾰ̓κουστῐκός ‘of or for hearing’, from ἀκούω ‘to hear’, and ultimately from Proto-Indo-European *h₂ew- ‘to enjoy’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*h₂ew-1‘to enjoy’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*h₂ṓws1‘ear’reconstructed
  3. Proto-Indo-Europeanc. 4500–2500 BCE*h₂ḱh₂owsyéti1‘to be sharp-eared, to hear well’reconstructed
  4. Proto-Hellenicc. 2200–1600 BCE*akóuhō1‘to hear’reconstructed
  5. Ancient Greekc. 800–300 BCEἀκούω1akoúō‘to hear’
  6. Ancient Greekc. 800–300 BCEᾰ̓κουστῐκός1ăkoustĭkós‘of or for hearing’
  7. Medieval Latinmodernacousticus1
  8. English1500–presentacoustic1
  9. Englishearliest quotation 1831acoustics1

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, English acoustics
  2. Earliest quotation in Wiktionary’s entry: 1831, John Herschel, Preliminary Discourse on the Study of Natural Philosophy: “Acoustics, then, or the science of sound, is a…”.

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*h₂ew-Wiktionary, English acoustics‘to enjoy’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*h₂ṓwsWiktionary, English acoustics‘ear’reconstructed
  3. Proto-Indo-Europeanc. 4500–2500 BCE*h₂ḱh₂owsyétiWiktionary, English acoustics‘to be sharp-eared, to hear well’reconstructed
  4. Proto-Hellenicc. 2200–1600 BCE*akóuhōWiktionary, English acoustics‘to hear’reconstructed
  5. Ancient Greekc. 800–300 BCEἀκούωWiktionary, English acousticsakoúō‘to hear’
  6. Ancient Greekc. 800–300 BCEᾰ̓κουστῐκόςWiktionary, English acousticsăkoustĭkós‘of or for hearing’
  7. Medieval LatinmodernacousticusWiktionary, English acoustics
  8. English1500–presentacousticWiktionary, English acoustics
  9. Englishearliest quotation 1831acousticsWiktionary, English acoustics. Earliest quotation in Wiktionary’s entry: 1831, John Herschel, Preliminary Discourse on the Study of Natural Philosophy: “Acoustics, then, or the science of sound, is a…”

A compound of acoustic + -s

Proto-Indo-European *h₂ew- ‘to enjoy’

…

Proto-Hellenic *akóuhō ‘to hear’

Ancient Greek ἀκούω ‘to hear’

Ancient Greek ἀκουστῐκός ‘of or for hearing’

Medieval Latin acousticus

English acoustic

Linked words

through Proto-Indo-European *h₂ew- ‘to enjoy’

love, audience, egg, audit, aviation, oval, obey, avid, audible, ey, anesthesia, avian, ovation, aviator, auspicious, aviary, ocarina, avarice, 66 more

through Proto-Indo-European *h₂ṓws ‘ear’

ear, aural, otolaryngology, 41 more

through Proto-Indo-European *h₂ḱh₂owsyéti ‘to be sharp-eared, to hear well’

hear, hark, 34 more

Today it means

noun The science of sounds, teaching their nature, phenomena and laws.

Sources

Sources: Wiktionary, “acoustics”. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.

Etymograph / Proto-Indo-European *h₂ew- / acoustics

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