This is the 18213th most frequent Russian word.
чернослива
"Чернослива" is the plural form of "чернослив," meaning "prunes" (dried plums) in English.
In this sentence, 'чернослива' is in the genitive case and refers to the commodity itself, indicating a measure or amount of prunes.
Я купил килограмм чернослива на рынке.
I bought a kilogram of prunes at the market.
Here, 'чернослива' is used in the genitive case to indicate possession ('taste of prunes').
Вкус чернослива напоминает мне о детстве.
The taste of prunes reminds me of my childhood.
This instance also uses 'чернослива' in the genitive case, implying the quantity or portion of prunes required.