Proto-IE: *wastu- (Gr w-)
Meaning: king's palace, capital
Tokharian: A waṣt, B ost (PT *wost) 'house' (Adams 128)
Old Indian: vā́stu n. `site, ground, building, dwelling place'
Old Greek: ástü, -eōs n. `Stadt'; astó-s m. `Städter'
Celtic: *wasto-: Gaul Dago-vassus; *vassus > MLat vasus `Diener, Vasall'; MIr foss `Diener'; OCymr guas `Jüngling, Diener', NCymr gwas `Jüngling, Diener', Corn duas `Jüngling, Diener', Bret gwaz `Mann'
Russ. meaning: царский дворец, резиденция, столица
