This is the 9192nd most frequent Russian word.
сквозь
"Through" or "across."
The word "сквозь" is used to describe the direction of view through an object.
Он смотрит на меня сквозь очки.
He looks at me through glasses.
"Сквозь" emphasizes the passage of light through a darkened medium.
Я вижу свет сквозь тёмное стекло.
I see the light through dark glass.
Here, "сквозь" illustrates the act of moving through a dense area, indicating persistence or effort.