English
anechoic
Anechoic comes from Latin echo ‘repercussion of sound, echo’, and goes back to Proto-Indo-European *sweh₂gʰ-.
- Proto-Indo-Europeanc. 4500–2500 BCE*sweh₂gʰ-‘to sound’reconstructed
- Proto-Hellenicc. 2200–1600 BCE*wākʰā́reconstructed
- Ancient Greekc. 800–300 BCEἠχήēkhḗ‘sound’
- Ancient Greek, derivedc. 800–300 BCEἠχώēkhṓ‘echo’
- Latinc. 75 BCE–200 CEecho‘repercussion of sound, echo’
- Medieval Latinc. 600–1500ecco
- Middle Englishc. 1150–1500ecco
- Englishtodayanechoic
attested reconstructed ? uncertain or disputed deepest recorded ancestor
Lineage
- Proto-Indo-Europeanc. 4500–2500 BCE*sweh₂gʰ-‘to sound’reconstructed
- Proto-Hellenicc. 2200–1600 BCE*wākʰā́reconstructed
- Ancient Greekc. 800–300 BCEἠχήēkhḗ‘sound’
- Ancient Greek, derivedc. 800–300 BCEἠχώēkhṓ‘echo’
- Latinc. 75 BCE–200 CEecho‘repercussion of sound, echo’
- Medieval Latinc. 600–1500ecco
- Middle Englishc. 1150–1500ecco
- Englishtodayanechoic
Proto-Indo-European *h₂en- ‘on, onto’
Proto-Germanic *ana- ‘on’
Proto-West Germanic *ana- ‘Forming verbs and adjectives from participles…’
English an-
Linked words
through Proto-Indo-European *sweh₂gʰ- ‘to sound’
through Latin echo ‘repercussion of sound, echo’
Today it means
adj Lacking echoes; particularly, designed to absorb sound.
Language periods are conventional ranges, not dates for this word.
Etymograph / Proto-Indo-European *sweh₂gʰ- / anechoic