Construction -IB YET-
The construction "verb-IB YET-", i.e. the past gerund followed by the auxiliary verb yet- (root meaning: 'to reach', 'to arrive'),
expresses an action reaching completion (but not totally completed yet).
O'z uyiga borib yetdi.
He arrived to his place.
Yo'q, hali anglab yetganingizcha yo'q.
No, he has not yet reached a level of understanding.