Some appellation in Appendix? (4)

I believe the answer is:

nina

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'some appellation in appendix?' is the definition.
I can't judge whether this definition defines the answer.

'some appellation in appendix?' is the wordplay.
'some' indicates the answer is hidden within the clue (some parts of the word are used).
'NINA' is hidden within 'appellation in appendix'.

Can you help me to learn more?

(Other definitions for nina that I've seen before include "One of Columbus's ships in 1492; girl's name" , "- - Simone, 1933-2003, singer" , "Al Hirschfeld's 'hidden' daughter" , "hidden crossword message" , "Girl" .)

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