This is the 8009th most frequent Russian word.
косыгина
The word "косыгина" does not carry a standard meaning in Russian; it is likely a proper noun, such as a surname (e.g., referring to Soviet politician Alexei Kosygin).
In this sentence, «Косыгина» refers to the name of a street, likely named after a notable figure.
Моя бабушка жила на улице Косыгина в молодости.
My grandmother lived on Kosygina Street in her youth.
Here, «Косыгина» refers to a specific person, Alexei Kosygin, and his contribution to economics.
Во время лекции профессор упомянул реформы Косыгина в экономике.
During the lecture, the professor mentioned Kosygin's economic reforms.
In this example, «Косыгина» denotes possession or relation to a person named Alexei Kosygin.