This is the 534th most frequent Bulgarian word.
позволи
"Позволи" means "allow" or "permit" in English.
The word 'позволи' here is used as a verb in imperative form, meaning 'allow' or 'permit', addressing directly the second person singular informal.
Моля, позволи ми да помогна.
Please, allow me to help.
Here, 'позволи' is in a conditional clause, having the meaning 'permits', indicating a condition under which the action will take place.
Ако времето позволи, ще отидем на разходка.
If the weather permits, we will go for a walk.
In this sentence, 'позволи' is used as a past tense verb form of 'to allow', indicating permission given in the past by a third person.