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A
core
island
sun
god
(6)
A core island sun god (6)
hints
0
checks
0
hints
The definition is at the end of the clue.
How the clue works
The wordplay builds up letter by letter: start with A from the surface, add NUB meaning "core" (as in the nub of an issue), then I for "island" and S for "sun". Put together, that spells ANUBIS, the Egyptian jackal-headed god.