From Greek 'dynasthai' (to have power), from PIE *dewh2- (to accomplish) — power passed through a ruling family line.
A succession of rulers from the same family; a powerful family or group.
From Greek "δυναστεία" (dynasteía, power, sovereignty, dynasty), from "δυνάστης" (dynástēs, ruler, chief), from "δύναμαι" (dýnamai, I am able, I have power), from PIE *dewh₂- (to be strong, to have power). This root produced one of the most politically significant word families in Western languages. Through Greek: "δύναμις" (dýnamis, power, force → "dynamic," "dynamite," "dynamo," "aerodynamic"), "δυναμικός" (dynamikós, powerful). Through Latin, the root is less directly