Etymograph

English

aerograph

From aero- + -graph, a trademark.

Formed from aero + graph

Proto-Indo-European *h₂ews- ‘dawn’

Proto-Indo-European *h₂ewsér ‘in the direction of dawn, east’

Proto-Hellenic *auhḗr ‘morning mist’

Ancient Greek ᾱ̓ήρ ‘mist’

English aero

Today it means

noun A kind of airbrush.

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

Etymograph / aerograph