Archaic honorific term for one's own elder sister. Not used in modern Japanese; replaced by お姉さん or 姉.
In old documents, 姉じゃ人 was used as a respectful term for one's elder sister.
Standard kanji-kana mixed spelling for this archaic honorific term.
Ateji spelling; it is phonetic. Rare and archaic.
A kana-mixed spelling of 姉者人, an old respectful designation for an elder sister or older woman; じゃ represents 者 in this fossilized expression.