妹いもうと君ぎみ

noun

(younger) sister (honorific)

Honorific term for someone else's younger sister. Dated and now mostly replaced by 妹さん in modern speech, but still encountered in historical or formal contexts.

• お手て紙がみで妹いもうと君ぎみのご様よう子すをうかがいました。

  I inquired about your younger sister's condition in my letter.

• あの方かたは妹いもうと君ぎみでいらっしゃいますか。

  Is that person your younger sister?