Famous Roman port city's nickname (6)

I believe the answer is:

pompey

This clue is a double definition.

'famous roman' is the first definition.
(Pompey was a Roman statesman)

'port city's nickname' is the second definition.
(nickname of Portsmouth)

(Other definitions for pompey that I've seen before include "Nickname of an English port shared with a Roman general" , "name for Portsmouth" .)

I've seen this clue in The Times.

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