This is the 48th most frequent Swedish word.
något
"Somewhat," "something," or "anything."
Here, 'något' functions as a pronoun replacing a noun, referring generally to an unspecified thing.
Jag hörde något som lät underligt.
I heard something that sounded odd.
In this example, 'något' acts as a noun, indicating an unspecified object or matter that is being inquired about.
Är det något du behöver?
Is there something you need?
In this sentence, 'något' is used as an indefinite pronoun meaning 'something'.