autumn leaf-fall
knockout, awesome, mind-blowing, cool
state of being blown away, ecstasy, utter amazement
falling off, shedding, abscission
fallen leaves, leaf litter, deadfall
falling away, apostasy, withdrawal
Опавший лист плыл по пове́рхности воды.
A fallen leaf floated on the surface of the water.
Па́дает лист.
A leaf is falling.
Осенний листопад начался в конце сентября.
The autumn leaf-fall began at the end of September.
Мы гуляли по улице во время листопада.
We were walking down the street during the leaf-fall.