From Wiktionary, the free dictionary
основно́му • (osnovnómu) n inan
- dative singular of основно́е (osnovnóje)
основно́му • (osnovnómu)
- inflection of основни́й (osnovnýj):
- dative masculine/neuter singular
- locative masculine/neuter singular
- Alternative form: основні́м (osnovním)
осно́вному • (osnóvnomu)
- inflection of осно́вний (osnóvnyj):
- dative masculine/neuter singular
- locative masculine/neuter singular
- Alternative form: осно́внім (osnóvnim)