This is the 18339th most frequent Russian word.
щавля
"Щавля" is the genitive singular or accusative plural form of "щавель," which means "sorrel," a leafy green plant.
Here, щавля refers to the plant sorrel, commonly used in cooking.
Я купил пучок свежего щавля для супа.
I bought a bunch of fresh sorrel for the soup.
In this context, щавля designates the sorrel plants growing in a natural setting.
В этом саду много щавля растёт.
There is a lot of sorrel growing in this garden.
Щавля is used here to highlight its importance as an ingredient for the soup.