Wheeled king in around eleven o'clock at first (5)

I believe the answer is:

ixion

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'wheeled king' is the definition.
'ixion' can be an answer for 'king' (I have seen 'Legendary king' mean 'ixion' so perhaps 'king' could also mean 'ixion'). I'm not sure about the 'wheeled' bit.

'in around eleven o'clock at first' is the wordplay.
'around' indicates putting letters inside.
'eleven' becomes 'xi' ('XI' can be a synonym of 'eleven').
'at first' suggests taking the first letters.
The first letter of 'oclock' is 'o'.
'xi'+'o'='xio'
'in' placed around 'xio' is 'IXION'.

Can you help me to learn more?

(Other definitions for ixion that I've seen before include "He was bound to go round endlessly" , "King bound by Zeus to a turning wheel" , "Legendary king" , "King punished by Zeus for his love of Hera" , "King punished - bound to a wheel" .)

I've seen this clue in The Independent.

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