三奥様

the third madam, Madam Number Three

三 three + 奥 the back; the innermost part + 様 honorific suffix (esteemed or respected person)
noun Rare #37,278
the third madam, Madam Number Three A respectful title for a woman in a household; the exact family rank depends on context.
JA: 三奥様はもうお帰りになりました。
EN: The Third Madam has already returned.

三奥様いつお出かけに?

Mrs. San, when will you be going out?

— 紅夢 (1991)

三奥様はまもなくいらっしゃいます

Mrs. Mitsuoku will be here shortly.

— 紅夢 (1991)

三奥様

Third Madam.

— 紅夢 (1991)

三奥様が急病です

Mrs. Mitsu is seriously ill.

— 紅夢 (1991)