Where does “сладость” come from?
сладость (Old Church Slavonic) comes from Old Church Slavonic сладъкъ, from Proto-Slavic sòldъkъ, from Proto-Balto-Slavic salˀdus, from Proto-Indo-European séh₂l-.
сладость (Old Church Slavonic): sweetness
Ancestry of “сладость”, step by step