acousto-

Etymology tree Proto-Indo-European *h₂eḱ- Proto-Indo-European *h₂ew- Proto-Indo-European *-s Proto-Indo-European *h₂ṓws Proto-Indo-European *-yéti Proto-Indo-European *h₂ḱh₂owsyéti Proto-Hellenic *akóuhō Ancient Greek ἀκούω (akoúō) Proto-Indo-European *-kos Ancient Greek -κός (-kós) Ancient Greek -ῐκός (-ĭkós) Ancient Greek ᾰ̓κουστῐκός (ăkoustĭkós)bor. Medieval Latin acousticusbor. English acoustic English acousto- From international scientific vocabulary, reflecting a New Latin combining form, from acoustic; more at acoustic § Etymology.

来源：wiktionary