This is the 11941st most frequent Russian word.
засыпало
"Засыпало" means "covered or buried (with something, often snow or dirt)."
In this sentence, 'засыпало' is used to describe how snow has covered the courtyard as a natural event, emphasizing an accumulated effect of snow.
Двор засыпало снегом за ночь.
The yard was covered with snow overnight.
Here, 'засыпало' is used figuratively to indicate being overwhelmed or covered with sleepiness, making it a metaphorical usage.
После долгой дороги меня засыпало сном.
After the long journey, I was overcome by sleep.
In the third example, 'засыпало' refers to the process of dust accumulating over time on a surface, showing its application to objects in a descriptive and literal sense.