This is the 432nd most frequent Azerbaijani word.
ayının
"Ayının" means "of the bear" or "the bear's" in English.
Here, 'ayının' indicates possession, meaning 'of the bear'.
Ayının diqqətini meyvə ilə çəkdilər.
They attracted the bear's attention with fruit.
'Ayının' here links to 'of the month', implying a specific time (the end of August).
Avqust ayının sonunda hava sərinləşir.
The weather becomes cooler at the end of August.
In this context, 'ayının' again shows possession, referring to 'the characteristics of the bear'.