Crossword Genius

Father of poetry? (4)

Ross

I believe the answer is:

pope

I'm a little stuck... Click here to teach me more about this clue!

'father of poetry?' is the definition.
The answer and definition can be both people as well as being singular nouns.
Perhaps they are linked in a way I don't understand?

'father of poetry?' is the wordplay.
'father' becomes 'pop ' (pop is a kind of father).
'of poetry?' becomes 'e' (I can't explain this - if you can you should believe this answer much more).
'pop'+'e'='POPE'

Can you help me to learn more?

(Other definitions for pope that I've seen before include "Holy man" , "freshwater fish" , "man of great authority" , "fisherman's successor" , "John, Paul or Adrian, perhaps?" .)

I've seen this clue in The Guardian.
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