Etymology

From Proto-Slavic *jьstъba, from Proto-Germanic *stubō ‎(“room, living room, heated room”). Cognate with Lower Sorbian śpa ‎(“room”), Polish izba ‎(“chamber”), Slovak izba ‎(“room”), Russian изба́ ‎(izbá, “peasant house”), Bulgarian изба ‎(izba, “cellar”), Serbo-Croatian ìzba ‎(“closet”).