Climber stuck on top of Everest might have this (4)

I believe the answer is:

hope

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'might have this' is the definition.
The definition suggests a singular noun which matches the answer.

'climber stuck on top of everest' is the wordplay.
'climber' becomes 'hop' (hop is a climbing plant).
'stuck on' says to put letters next to each other.
'top of' indicates taking the first letters.
The first letter of 'everest' is 'e'.
'hop'+'e'='HOPE'

Can you help me to learn more?

(Other definitions for hope that I've seen before include "Anticipation" , "Bob --, US comedian" , "Bob --, US comic" , "Optimism - English-born US comedian" , "writer" .)

I've seen this clue in The Independent.

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