Disdain a treatment for corns (5)

I believe the answer is:

scorn

'disdain' is the definition.
(I know that disdain can be written as scorn)

'a treatment for corns' is the wordplay.
'a treatment for' is an anagram indicator (I've seen this in other clues).
'corns' anagrammed gives 'SCORN'.

(Other definitions for scorn that I've seen before include "Spurn" , "Disdain or derision" , "Open disrespect" , "Reject contemptuously" , "Open contempt, disdain" .)

I've seen this clue in the Evening Standard.

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