This is the 538th most frequent Swedish word.
heter
"Is called" or "is named."
In this sentence, 'heter' is used to inquire about someone's name. It is part of the question structure and conjugated for the subject 'du' (you).
Vad heter du?
What is your name?
'Heter' describes the name of the subject 'she', where 'heter' conveys the idea of 'being called' or 'having the name of'.
Hon heter Anna.
Her name is Anna.
Here, 'heter' denotes the name of a specific entity, used to identify the proper noun (name) of the mountain.