This is the 2051st most frequent German word.
russisches
"Russisches" means "Russian" (possessive or adjectival form) in English.
Here, 'russisches' is used as an attributive adjective describing the noun 'Badezimmer'.
Das russisches Badezimmer war sehr groß.
The Russian bathroom was very large.
In this sentence, 'russisches' is an adjective modifying the noun 'Buch', indicating the book's origin or language.
Ich habe ein russisches Buch gelesen.
I read a Russian book.
'Russisches' serves as an adjective describing 'Festival', denoting that the festival pertains to Russian culture or origin.