noun
Refers to one's own older sister when speaking about her to others, or can be used to address an older sister-like figure. In formal or polite contexts, お姉さん (おねえさん) is often used instead.
私の姉は東京に住んでいます。
My older sister lives in Tokyo.
姉は料理がとても上手です。
My older sister is very good at cooking.
The kanji 姉 is a phono-semantic compound with 女 (woman) and the phonetic component 市 (simplified from older forms). The reading あね is native Japanese (kun'yomi).