This is the 543rd most frequent Icelandic word.
mín
"Min" in English means "my" or "mine."
Here, 'mín' is used as a possessive adjective to signify ownership, corresponding to 'my' in English.
Peningapróbleman mín eru miklar.
My financial problems are significant.
In this instance, 'mínar' is the possessive form replacing the object, meaning 'mine' in English.
Þessar bækur eru allar mínar.
These books are all mine.
Here, 'mín' is used in the nominative case to indicate possession or association with the subject expressed.