Webster 1913 Edition
(dī′nas-ty̆ or dĭn′as-ty̆; 277),
δυναστεύεινto hold power or lordship, fr.
δυνάστης: cf. F.
Sovereignty; lordship; dominion.
A race or succession of kings, of the same line or family; the continued lordship of a race of rulers.
Webster 1828 Edition
Government; sovereignty; or rather a race or succession of kings of the same line or family, who govern a particular country; as the dynastics of Egypt or Persia.
The obligation of treaties and contracts is allowed to survive the change of dynasties.