Where does “echoacoustic” come from?

echoacoustic (English) comes from English acoustic, from Medieval Latin acousticus, from Ancient Greek ἀκουστῐκός, from Ancient Greek ἀκούω, from Proto-Hellenic akouhō, from Proto-Indo-European h₂ḱh₂owsyéti, from Proto-Indo-European h₂ṓws, from Proto-Indo-European h₂ew- — to enjoy; to consume; to perceive, see, to be...

echoacoustic (English): Relating to, or employing, acoustic echos

Definitions

  1. Relating to, or employing, acoustic echos

Ancestry of “echoacoustic”, step by step

echoacoustic traces back through two separate lines of ancestry.

via English acoustic

StepLanguageWordMeaning
1EnglishacousticPertaining to the sense of hearing, the organs of...
2Medieval Latinacousticus
3Ancient Greekἀκουστῐκόςof or for hearing
4Ancient GreekἀκούωI hear; I hear about, learn; I listen, pay...
5Proto-Hellenicakouhōto hear
6Proto-Indo-Europeanh₂ḱh₂owsyétito be sharp-eared, to hear well
7Proto-Indo-Europeanh₂ṓwsear
8Proto-Indo-Europeanh₂ew-to enjoy; to consume; to perceive, see, to be...

via English Echo

StepLanguageWordMeaning
1EnglishEchoAn oread, punished by Hera by losing her own voice and only being able to mimic that of others
2Middle EnglisheccoAlternative form of eccho
3Medieval Latinecco
4Latinechoecho
5Ancient GreekἨχώsound; a nymph in Greek mythology
6Ancient Greekἠχήsound, noise
7Proto-Hellenic*wākʰā́
Every word from Proto-Indo-European h₂ew-Every word from Proto-Indo-European h₂ṓwsEvery word from Proto-Indo-European h₂ḱh₂owsyéti