English
etchplanation
From etch + planation.
A compound of etch + planation
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 The process of subsurface weathering or etching which creates etchplains.
Language periods are conventional ranges, not dates for this word.
Etymograph / etchplanation