one's sister
Archaic term for one's own sister, especially a younger sister. Modern Japanese uses 妹 (いもうと).
Archaic familiar term used by women to address a close female friend. Extremely rare and obsolete.
In classical literature, 'imo' often refers to one's own sister.
In old letters between women, 'imo' could mean a close friend.
(younger) sister (honorific)
younger daughter
younger sister's husband; brother-in-law (younger sister's spouse)
(another person's) younger sister
Archaic kanji form for the reading いも; in modern Japanese this kanji is normally read いもうと.
Kana spelling for the archaic reading; useful for search and clarity.
Old Japanese いも denoted a close female relation, especially a sister, wife, or beloved woman. The later word いもうと developed from いも with an element meaning a younger sibling.