Etymology of the English word copperas
the English word
copperasderived from the Old French word
coperosederived from the Medieval Latin word
cuperosaderived from the French word
copperasderived from the Medieval Latin word
cuperosaDate
The earliest known usage of copperas in English dates from the 14th century.
Cognates
French
couperose, Italian
copparosaUsage
Word found in Modern English