Crossword Genius

Sustain trendy dog (5)

Ross

I believe the answer is:

incur

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

'trendy dog' is the wordplay.
'trendy' becomes 'in'.
'dog' becomes 'cur' (cur is a kind of dog).
'in'+'cur'='INCUR'

(Other definitions for incur that I've seen before include "Become subject to (something unwelcome)" , "To become liable to, suffer" , "Bring on oneself, say costs" , "Become liable to (eg, a penalty)" , "Sustain" .)

I've seen this clue in The Mirror.
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