English

acoustooptic

From acousto- + optic.

Proto-Indo-European *h₂ew- ‘to enjoy’

…

Ancient Greek ἀκούω ‘to hear’

Ancient Greek ᾰ̓κουστῐκός ‘of or for hearing’

Medieval Latin acousticus

English acoustic

Middle French optique

English optic

Today it means

adj Pertaining to acoustooptics.

Language periods are conventional ranges, not dates for this word.

Etymograph / acoustooptic