This is the 85th most frequent Estonian word.
minu
"My."
The word 'minu' is a possessive pronoun, indicating ownership of the noun 'raamat' (book) by the speaker.
See on minu raamat.
This is my book.
The word 'minu' is a possessive pronoun, modifying the noun 'sõber' (friend) to indicate that the friend belongs to or is associated with the speaker.
Minu sõber tuleb homme külla.
My friend is coming to visit tomorrow.
The word 'minu' is a possessive pronoun, showing that the 'ülesanne' (task) is the responsibility of the speaker.