Greek word
exousía
ἐξουσία
What it means
privilege, i.e. force, capacity, competency, freedom, or mastery, delegated influence
privilege, i.e. (subjectively) force, capacity, competency, freedom, or (objectively) mastery (concretely, magistrate, superhuman, potentate, token of control), delegated influence
Where it comes from
from éxesti (ἔξεστι) (in the sense of ability)