This is the 8400th most frequent Russian word.
мэгни
The word "мэгни" does not appear to be a standard Russian word; it may be a typo, regionalism, or have a specific context.
Subject of the sentence referring to a specific entity named Megni.
Мэгни читают свою любимую книгу.
Megni is reading their favorite book.
Here 'мэгни' is used as the recipient of the action, suggesting a direct addressing or involvement of Megni.
Это подарок для мэгни.
This is a gift for Megni.
In this case, 'мэгни' is used in a prepositional case indicating the subject of thought or consideration.