Money I'd earn working on island (7)
'island' is the definition.
(island nation)
'money i'd earn working' is the wordplay.
'money' becomes 'l' (L can mean 'pounds').
'working' is an anagram indicator.
'l'+'id'+'earn'='lidearn'
'lidearn' is an anagram of 'IRELAND'.
'on' acts as a link.
(Other definitions for ireland that I've seen before include "Scorer" , "British composer" , "music's John" , "Hibernia" , "music writer" .)
But I've got no explanation for this one! Could you help me understand?
(Other definitions for denarii that I've seen before include "A lot of asses" , "Silver coins of ancient Rome" , "22 [COINS]" , "money from abroad" , "Bits" .)