在ありし日ひ

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

past days; bygone days; days of yore

Literary expression for a time that has passed, often with a nostalgic or poetic tone. Used as a noun or with の to modify another noun.

• 在ありし日ひの思おもい出でがよみがえる。

  Memories of bygone days come back to me.

• 在ありし日ひの彼かれの姿すがたを思おもい浮うかべる。

  I recall how he looked in days gone by.

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

while still alive; during one's lifetime

Refers to the time when someone was alive; often used in reminiscence about a deceased person. Can be used as a noun or with の.

• 在ありし日ひの祖そ父ふはよくこの公こう園えんを散さん歩ぽしていた。

  My grandfather, in his lifetime, often took walks in this park.

• 在ありし日ひの母ははの言こと葉ばが今いまも心こころに残のこっている。

  My mother's words from when she was alive still remain in my heart.