Crossword Genius

In extremities they can be accommodating (4)

Ross

I believe the answer is:

inns

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

'be accommodating' is the definition.
I can't tell whether this defines the answer.

'in extremities they' is the wordplay.
'extremities they' becomes 'ns' (I can't justify this - if you can you should believe this answer much more).
'in'+'ns'='INNS'

'can' is the link.

Can you help me to learn more?

(Other definitions for inns that I've seen before include "More than one pub" , "King's ..., for the legal eagles" , "Places of rest and sustenance for travellers" , "travellers' accommodation" , "Country taverns" .)

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