本ほん卦け還がえり

noun

reaching age 60; dotage; second childhood

Traditional term for turning 60, when one's life cycle is said to return to the starting point of the Chinese zodiac. Often carries a nuance of entering old age or a second childhood.

• 祖そ父ふは本ほん卦け還がえりを迎むかえ、ますます童どう心しんに返かえったようだ。

  My grandfather reached 60 and seems to have returned to a childlike state more and more.