Where does “нёбный” come from?

нёбный (Russian) comes from Russian не́бо, from Old Church Slavonic небо, from Proto-Slavic nȅbo, from Proto-Balto-Slavic *nébas, from Proto-Indo-European nébʰos, from Proto-Indo-European -os — Creates action nouns or result nouns from verbs;...

нёбный (Russian): palate; palatal