English
etchant
From etch + -ant.
A compound of etch + -ant
Proto-Indo-European *h₁ed- ‘to eat’
…
Proto-Germanic *atjaną ‘to cause/allow to eat, feed (an animal)’
Old High German azzon ‘to cause to bite or feed’
German ätzen ‘to etch’
Dutch etsen ‘to etch’
English etch
Today it means
noun An acid or corrosive chemical used in etching.
Language periods are conventional ranges, not dates for this word.
Etymograph / etchant