1
Stage 1 of 3
ätzen
German · medieval
"to corrode, cause to eat"
a causative of 'essen', to eat: literally 'to make something eat', as acid eats metal
2
Stage 2 of 3
etsen
Dutch · 1600s
"to etch"
Dutch printmakers such as Rembrandt made acid-etched plates a major art form
3
Stage 3 of 3
etch
English · 1630s
"to engrave with acid"
later used figuratively for something fixed firmly in memory
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