This is the 2426th most frequent Swedish word.
glömmer
"Glömmer" means "forgets."
Here, 'glömmer' means 'to forget', describing a repeated action of not remembering to take the keys.
Jag glömmer alltid mina nycklar hemma.
I always forget my keys at home.
In this sentence, 'glömmer' is used to indicate a failure to remember an important fact, emphasizing inattentiveness.
Han glömmer att det är hennes födelsedag idag.
He forgets that it's her birthday today.
This usage of 'glömmer' acts in a negative statement to convey that the memory of the teacher remains vivid and is never lost.