Crossword Genius

Unknown Greek character leaves reptile, African (7)

Ross

I believe the answer is:

zambian

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'african' is the definition.
(Zambian is an example)

I cannot understand how the remainder of the clue works.

Can you help me to learn more?

(Another definition for zambian that I've seen is " of African state".)

I've seen this clue in The Sun.
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