This is the 12034th most frequent Polish word.
lewe
"Lewe" in Polish means "left" (direction) or "illegal/fake" depending on context.
Used literally to refer to the physical left side or direction of an object.
Patrzę na lewe skrzydło budynku, tam jest wejście.
I am looking at the left wing of the building, the entrance is there.
Used idiomatically to express clumsiness or lack of skill in handling or repairing things.
Mam lewe ręce, nie umiem nic naprawić.
I have left hands, I cannot fix anything.
Used to describe something fraudulent or illegitimate, in this case, counterfeit money.