This is the 4906th most frequent Russian word.
киевский
The Russian word "киевский" means "Kyiv-related" or "of/from Kyiv."
Here, 'киевский' refers to a well-known culinary item, the Kyiv cake, associating the word with its origin or style.
Я попробовал вкусный киевский торт.
I tried a delicious Kyiv-style cake.
In this instance, 'киевский' functions as an adjective describing an institution (the University) with physical and geographical association to Kyiv.
Киевский университет привлекает студентов со всего мира.
The Kyiv University attracts students from all over the world.
Here, 'киевский' is used to denote the name of a location—the Kyiv Train Station, indicating a naming convention tied to Kyiv.