National name on some euros (4)

I believe the answer is:

eire

'national name on some euros' is the definition.
(I've seen this in another clue)

This is all the clue.

(Other definitions for eire that I've seen before include "Northwest European country" , "Republic across the water" , "island" , "EU country" , "Irish name for Ireland" .)

I've seen this clue in The Wall Street Journal.

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