Where does “Evrópusambandið” come from?

Evrópusambandið (Icelandic) comes from Icelandic samband, from Old Norse samband.

Ancestry of “Evrópusambandið”, step by step

Step	Language	Word	Meaning
1	Icelandic	samband	connection, relation, rapport; relationship;...
2	Old Norse	samband	—

Evrópusambandið — Etymology, Origin & Word History | Etymology Explorer