Construction -IB KET-
In addition to its basic directive meaning ('to do something and go'), the construction "verb-IB KET-",
i.e. the past gerund followed by the auxiliary verb ket- (root meaning: 'to go', 'to leave'),
expresses a sudden and intense change of state, which has been exhaustively completed.
Uy kuyib ketdi.
The house burned down.
I have got tired.
Sochi oqarib ketdi.
His hair has turned gray.
He has been dismissed.
Kutib tura berib, oyoqlarim og'rib ketdi.
My feet have started to ache from continuous waiting.