Skill a Greek character's shown travelling round island (7)
I believe the answer is:
sumatra
'island' is the definition.
(I know that Sumatra is a island)
'skill a greek character's shown travelling round' is the wordplay.
'skill' becomes 'art' (both can mean a talent).
'greek character' becomes 'mu' (letter from the Greek alphabet).
'shown travelling' becomes 's' (I can't explain this - if you can you should believe this answer much more).
'round' is a reversal indicator.
'art'+'a'+'mu'+'s'='artamus'
'artamus' in reverse letter order is 'SUMATRA'.
Can you help me to learn more?
(Other definitions for sumatra that I've seen before include "Large Indonesian island" , "Eastern island" , "part of Indonesia" , "Island in western Indonesia" , "A US mart on an Indonesian island?" .)