This is the 52nd most frequent Bulgarian word.
ми
The Bulgarian word "ми" means "my" or "me" (possessive or reflexive pronoun, depending on context).
In this context, 'ми' functions as a possessive pronoun with an emphasizing tone, meaning 'my,' in a colloquial manner.
Това ми е любима книга.
This is my favorite book.
In this sentence, 'ми' is used as a first-person singular object pronoun meaning 'to me' or 'me.' It is used in the dative case.
Дай ми молива.
Give me the pencil.
Here, 'ми' again indicates 'to me,' showing possession or indicating the recipient of the action, used in the dative case.