chalco-
1.
a learned borrowing from Greek meaning “copper,” used in the formation of compound words:
chalcolithic.
Origin
<
Greek
chalko-,
combining form of
chalkós
copper
British Dictionary definitions for
chalco-
chalco-
combining form
1.
indicating copper or a copper alloy:
chalcopyrite,
chalcolithic
Word Origin
from Greek
khalkos
copper