This is the 12407th most frequent Russian word.
каталогу
The word "каталогу" is the dative singular form of "каталог," meaning "catalog" in English.
The word 'каталогу' is in the dative case, indicating the indirect object of addressing or referring to.
Моя мама дала мне совет обратиться к каталогу книг, чтобы выбрать подходящее чтение.
My mom advised me to consult the book catalog to choose appropriate reading.
Here, 'каталогу' appears as a dative case object, showing to whom or to what something should be added.
Специалист предложил добавить новые товары к каталогу.
The specialist suggested adding new items to the catalog.
In this example, 'каталогом' is in the instrumental case, which indicates the means by which the action is performed.