Citations:achi

Noun: "eldest sister"

 * 2012, Kenneth Yu, Cricket ~ Lauriat: A Filipino-Chinese Speculative Fiction Anthology, page 196:
 * What had his Achi, his eldest sister, once said about him?

Noun: "term of address for the eldest sister"

 * 2012, Erin Chupeco, Ho-We ~ Lauriat: A Filipino-Chinese Speculative Fiction Anthology, page 23:
 * Achi had four boyfriends before agreeing to the kai-shao.