This is the 2939th most frequent Russian word.
выпуску
"Выпуску" is the dative or prepositional case of "выпуск," meaning "release," "graduation," or "issue."
The word 'выпуску' is in the prepositional case and refers to the release or launch of something.
Я готовлюсь к выпуску нового альбома.
I am preparing for the release of a new album.
Here, 'выпуску' is used to describe the action of issuing or publishing something.
Он работает над выпуску учебного пособия.
He is working on the publication of a textbook.
In this context, 'выпуску' pertains to the process of officially issuing something, in this case, currency.