English oblast

← Old Church Slavonic область (derived)

← Russian о́бласть (derived)

← Proto-Slavic *obolstь (derived)

← Proto-Slavic *obvolstь (mention)

← Proto-Slavic *obvoldtь (mention)

← Proto-Slavic *o(b)- (mention)

← Proto-Slavic *volstь (mention)

← Proto-Slavic *obvoldati (cognate)