noun
wife's mother; mother-in-law
Rare term for one's wife's mother; the common word is しゅうとめ. May appear in older texts or formal contexts.
See also: しゅうとめ
古文書では「丈母」を「じょうぼ」と読ませて妻の母を指すことがある。
In old documents, 丈母 is read as じょうぼ and can refer to one's wife's mother.