This is the 956th most frequent Serbian word.
лета
The Serbian word "лета" means "summers" or "years" (genitive plural or nominative singular of "лето" depending on context).
Here, 'лета' (of summer) is in the genitive case, indicating possession.
Током лета идемо на море.
During summer, we go to the seaside.
Here, 'летају' (are flying) is a verb, showcasing an action.
Птице летају преко неба.
Birds are flying across the sky.
Here, 'лета' refers to the prior summer, in its genitive form.