Crossword Genius

Frogman comes across ship with stern centrally split (8)

Ross

I believe the answer is:

dissever

'split' is the definition.
('dissever' can be a synonym of 'split')

'frogman comes across ship with stern centrally' is the wordplay.
'frogman' becomes 'diver' ('diver' can be a synonym of 'frogman').
'comes across' is an insertion indicator.
'ship' becomes 'ss'.
'with' is a charade indicator (letters next to each other).
'centrally' says to take the centre.
The middle letter of 'stern' is 'e'.
'ss'+'e'='sse'
'diver' going around 'sse' is 'DISSEVER'.

(Other definitions for dissever that I've seen before include "split apart" , "Cut apart" , "divide into parts" .)

I've seen this clue in The Independent.
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