Where does “kobberrør” come from?

kobberrør (Danish) comes from Danish kobber, from Old Danish kopær, from Latin cūprum, from Latin cȳprium, from Ancient Greek Κύπρος, from Ancient Greek -ῐος, from Proto-Indo-European -yós — Creates adjectives from noun or verb stems.

kobberrør (Danish): copper pipe

Definitions

copper pipe

Ancestry of “kobberrør”, step by step

kobberrør traces back through two separate lines of ancestry.

via Danish kobber

Step	Language	Word	Meaning
1	Danish	kobber	copper; copperplate
2	Old Danish	kopær	—
3	Latin	cūprum	copper (the metal)
4	Latin	cȳprium	—
5	Ancient Greek	Κύπρος	Cyprus
6	Ancient Greek	-ῐος	belonging to; of”, “belonging to”, “pertaining to
7	Proto-Indo-European	-yós	Creates adjectives from noun or verb stems

via Danish rør

Step	Language	Word	Meaning
1	Danish	rør	reed; pipe, tube; imperative of røre
2	Middle Low German	rōder	—
3	Old Saxon	rōthar	—
4	Proto-Germanic	rōþrą	oar; rudder
5	Proto-Indo-European	h₁reh₁-	to row; to separate; loose, sparse, rare

Every word from Proto-Indo-European -yós →Every word from Ancient Greek -ῐος →Every word from Ancient Greek Κύπρος →