歴れき代だい

noun, noun which may take the genitive case particle 'no'

successive generations; historical records of successive reigns

Refers to a chronological series of rulers, dynasties, or officeholders. Often used in historical or institutional contexts, such as 歴代天皇 (successive emperors) or 歴代首相 (successive prime ministers).

• この博はく物ぶつ館かんには歴れき代だい天皇てんのうの肖しょう像ぞう画がが展てん示じされている。

  Portraits of successive emperors are displayed in this museum.