one's late mother
Formal or literary term used to refer to one's own deceased mother, often in written contexts such as obituaries, memorials, or formal family records. Compare with 先考 (one's late father).
See also: 先考
墓碑には先妣の名が刻まれていた。
His late mother's name was inscribed on the gravestone.
彼は追悼文の中で先妣への感謝を述べた
In his memorial address, he expressed gratitude to his late mother.