亡ぼう妹まい

noun

deceased younger sister

Formal or literary term used to refer to one's own younger sister who has passed away. Not used in casual conversation; in everyday speech, a phrase like 亡くなった妹 is more common.

• 亡ぼう妹まいの遺い品ひんを整せい理りしている。

  I am sorting through my deceased younger sister's belongings.