This is the 2021st most frequent German word.
lasse
"Lasse" is a form of the verb "lassen," meaning "let" or "allow."
In this context, 'lasse' is used as the verb 'lassen', meaning 'to allow', indicating that I grant permission for the children to play outside.
Ich lasse die Kinder draußen spielen.
I let the children play outside.
Here, 'lasse' is used in the third-person singular form 'lässt' of 'lassen' to mean 'to have something done by someone else', showing that he is arranging for someone else to wash the car.
Er lässt sein Auto waschen.
He is having his car washed.
'Lasse' in this sentence is used as 'to leave', explaining that I am intentionally leaving my suitcase in this location.