foundation, fundament, substructure (the lowest load-bearing part of a building, typically underground) · base, bottom, foot (the lowest or widest part of an object or landform) · basis, foundation, groundwork, principle (fundamental assumptions or conditions)
çekim: çoğul осно́ви
zıt: въ́тък
köken: Etymology tree Proto-Slavic *osnova Bulgarian осно́ва Inherited from Proto-Slavic *osnova.