Crossword Genius

Staggering time for learner in draw (7)

Ross

I believe the answer is:

tottery

'staggering' is the definition.
(tottery means unsteady)

I don't understand the rest of the clue.

(Other definitions for tottery that I've seen before include "rocking" , "Unstable on one's feet" , "Frail" , "Moving insecurely" , "Likely to rock" .)

I've seen this clue in The Times.
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