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Traditionally the fare for an identical triplet? (5)

Ross

I believe the answer is:

cheer

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'an identical triplet?' is the definition.
Although both the answer and definition are singular nouns, I can't see how they can define each other.

'traditionally the fare' is the wordplay.
I cannot really understand how this works, but
'fare' could be 'e' (E is an example) and 'e' is found in the answer.
The remaining letters 'cher' is a valid word which might be clued in a way I don't see.
This explanation may well be incorrect...

'for' acts as a link.

Can you help me to learn more?

(Other definitions for cheer that I've seen before include "Applaud vocally, hurray etc" , "Inspirit" , "Buck up" , "party refreshment?" , "Give comfort or support to" .)

I've seen this clue in the Evening Standard.
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