Obscure English Tories upset with Commons at first (8)

I believe the answer is:

esoteric

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Here is my best explanation:

'obscure' is the definition.
(thesaurus)

'english tories upset with commons at first' is the wordplay.
'english' becomes 'e' (abbreviation).
'upset with' indicates an anagram.
'at first' indicates taking the first letters.
The first letter of 'commons' is 'c'.
'tories' anagrammed with 'c' can make 'soteric'.
'e'+'soteric'='ESOTERIC'

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This clue was last seen in The Telegraph

(Other definitions for esoteric that I've seen before include "Secret - restricted to initiates", "Support jutting out from wall", "Highly specialised", "Obscure, abstruse", "just seen by specialist", "Intended for the few", "Intelligible only to the initiated", "Private, confined to a select group", "Cryptic" and "Privileged or confidential among coteries".)

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