Crossword Genius

Hill cabins constructed for chaps on foot (10)

Ross

I believe the answer is:

chilblains

I'm a little stuck... Click here to teach me more about this clue!

'chaps on foot' is the definition.
Although both the answer and definition are singular nouns, I can't see how they can define each other.

'hill cabins constructed' is the wordplay.
'constructed' indicates an anagram.
'hill'+'cabins'='hillcabins'
'hillcabins' with letters rearranged gives 'CHILBLAINS'.

'for' is the link.

Can you help me to learn more?

(Other definitions for chilblains that I've seen before include "Sores" , "Painful swellings on extremities" , "Inflammation of toes, ears, due to cold" .)

I've seen this clue in The Globe and Mail.
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