Crossword Genius

Turns up, for example, to study at Oxford, a bundle of nerves (2,4)

Ross

I think it could be either:

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6

2,4

on edge

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'a bundle of nerves' is the definition.
I know nothing about this answer so I can't tell whether it can be defined by this definition.

'turns up for example to study at oxford' is the wordplay.
'turns up' is a reversal indicator.
'for example' becomes 'eg' (short for 'exempli gratia', 'for example' in Latin).
'to study' becomes 'den' (term for a study or office).
'at' says to put letters next to each other (I've seen this in other clues).
'oxford' becomes 'o' (this could be a standard abbreviation I've not previously seen).
'eg'+'den'='egden'
'egden' back-to-front is 'nedge'.
'nedge' put after 'o' is 'ON EDGE'.

Can you help me to learn more?

(Other definitions for on edge that I've seen before include "Cliff-top walker may be" , "All agog" , "close to border" , "looking down at Much Wenlock?" , "Fidgety, nervous" .)

I've seen this clue in The Irish Times.
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