Laissent
"Laisse" is the third-person singular present indicative and subjunctive form of the French verb "laisser," which broadly translates to "to leave," "to let," or "to allow." It is a very common verb in French and appears in a wide range of contexts. For instance, "Il laisse la porte ouverte" means "He leaves the door open." In the subjunctive mood, it might appear in a phrase like "Je veux qu'il laisse la clé" meaning "I want him to leave the key."
The verb "laisser" also has idiomatic uses. "Laisser tomber" can mean "to drop something" but also "to