Crossword Genius

Cut off his nitride supply (10)

Ross

I believe the answer is:

disinherit

'cut off' is the definition.
(I've seen this in another clue)

'his nitride supply' is the wordplay.
'supply' indicates anagramming the letters (in a supple way).
'his'+'nitride'='hisnitride'
'hisnitride' anagrammed gives 'DISINHERIT'.

(Other definitions for disinherit that I've seen before include "Remove as heir" , "Lanarkshire town" , "Write out of a will" , "Cut off as with a shilling" .)

I've seen this clue in the Sydney Morning Herald.
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