Crossword Genius

Daughters break bank (5)

Ross

I believe the answer is:

drift

'bank' is the definition.
(I've seen this before)

'daughters break' is the wordplay.
'daughters' becomes 'd' (genealogical abbreviation for daughters).
'break' becomes 'rift' (rift can mean a break or opening).
'd'+'rift'='DRIFT'

(Other definitions for drift that I've seen before include "aimless" , "non-standard deviation?" , "General meaning or flow" , "General trend - current travel" , "Wander aimlessly" .)

I've seen this clue in The Times.
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