From Middle Dutch coper, ultimately from Latin cuprum.
Practice speaking and memorizing "koper" and many other words and sentences in Dutch.
cobre
cuivre
Kupfer
cobre
rame
coure
χαλκός
cuprum
bakır
نحاس
'%3e%3c/path%3e%3c/g%3e%3cdefs%3e%3cmarker%20markerWidth='4.5'%20markerHeight='4.5'%20refX='2.25'%20refY='2.25'%20viewBox='0%200%204.5%204.5'%20orient='auto'%20id='SvgjsMarker4023'%3e%3cpolygon%20points='0,4.5%201.5,2.25%200,0%204.5,2.25'%20fill='white'%3e%3c/polygon%3e%3c/marker%3e%3c/defs%3e%3c/svg%3e)