This is the 13770th most frequent Swedish word.
vänstra
"Vänstra" means "to cheat" or "be unfaithful" in a romantic relationship.
In this sentence, 'vänstra' is used as a verb meaning 'to turn left'.
Jag måste vänstra om jag ska nå trappan.
I must turn left if I am to reach the stairs.
Here, 'vänstra' is indirectly related to the adjective 'vänster', which means 'left', describing things pertaining to the left side.
Han har svårt att vänstra handen på grund av skadan.
He has difficulty using his left hand due to the injury.
In this context, 'vänstra' is used as an adjective, modifying 'portarna' to indicate that the gates are located on the left side.