This is the 6968th most frequent Russian word.
аркадий
"Аркадий" is a masculine given name in Russian, derived from the Greek "Arcadius," meaning "from Arcadia," a region symbolizing pastoral simplicity and harmony.
Here, 'Аркадий' is used as a proper noun, referring to a male person's name.
Аркадий любит читать книги.
Arkady loves to read books.
In this case, 'аркадийской' is an adjective derived from 'аркадий', referring to the idealized, pastoral qualities often associated with Arcadia.
Книга была написана в стиле аркадийской литературы.
The book was written in the style of Arcadian literature.
Here, 'аркадий' is used metaphorically to describe a place resembling Arcadia, symbolizing an idyllic and peaceful location.