This is the 12955th most frequent Russian word.
листьев
The word "листьев" is the genitive plural form of "лист" and means "of leaves" in English.
Leafs are referred as parts of trees shedding during autumn.
Осенью деревья теряют свои листья.
In autumn, trees lose their leaves.
Leaves are shown as fallen objects used for decoration.
Я собрал букет из опавших листьев в парке.
I collected a bouquet made of fallen leaves in the park.
Leaves are described as picturesque objects associated with autumn.