From Wiktionary, the free dictionary
Feminine form of בעל־הבית (balebos), from Hebrew בַּעַל הַבַּיִת (bá'al habáyit, “master of the house”).
בעל־הביתטע • (baleboste) f, plural בעל־הביתטעס (balebostes)
- mistress of the house
- ideal housewife, homemaker, hostess