This is the 17046th most frequent Russian word.
списку
"Списку" means "list" in the dative case in Russian.
The word "списку" is in the dative case, showing the direction or reference to the list where the name is being added.
Я добавил её имя к списку участников.
I added her name to the list of participants.
Here, "списку" in the dative case denotes the reference or usage of the list as a means to perform an action.
По этому списку можно найти все книги.
Using this list, one can find all the books.
In this sentence, "списку" (dative case) is used as part of the expression денoting indirect access to the list.