This is the 188th most frequent Danish word.
morten
"Morten" is a Danish male given name.
Here, 'Morten' is used as a proper noun, referring to someone by their name.
Morten er min ven, og vi har kendt hinanden i mange år.
Morten is my friend, and we have known each other for many years.
In this sentence, 'Mortens' is a possessive form related to Saint Martin in the context of a specific tradition.
Vi fejrer Mortens aften med en lækker middag.
We celebrate Saint Martin's Eve with a delicious dinner.
Here, 'Morten' is acknowledged as a common given name discussing naming practices.