This is the 1086th most frequent Turkish word.
ayının
"Of the bear" or "the bear's" (possessive form of "ayı").
In this sentence, 'ayının' is the genitive form of 'ayı' (bear) and indicates possession, meaning 'of the bear'.
Ayının inine yaklaştık.
We approached the bear's den.
Here, 'ayının' serves as the subject in the object clause, indicating 'the bear' in a possessive sense.
Ayının buraya geldiğini duymuştum.
I had heard that the bear came here.
In this usage, 'ayının' refers to the owner of the action 'roam,' showing possession or relation to the subject 'the bear'.