This is the 2556th most frequent Swedish word.
mormor
Maternal grandmother.
In this sentence, 'mormor' is used to signify 'grandmother', specifically one's maternal grandmother.
Min mormor berättade en saga för mig när jag var liten.
My grandmother told me a story when I was little.
Here, 'mormor' shows possession ('mormors', adding 's') and still refers to the maternal grandmother.
Min mormors hus ligger vid havet.
My grandmother's house is by the sea.
In this context, 'mormor' indicates an action associated with the maternal grandmother (visiting her).