Where does “со́лоно” come from?

со́лоно (Russian) comes from Russian солёный, from Russian -ёный, from Old East Slavic -енъ, from Proto-Slavic -ěnъ — Forming adjectives meaning 'made of '; -en.

Ancestry of “со́лоно”, step by step

Step	Language	Word	Meaning
1	Russian	солёный	salty
2	Russian	-ёный	Suffix used to form passive-participle-like...
3	Old East Slavic	-енъ	—
4	Proto-Slavic	-ěnъ	Forming adjectives meaning 'made of '; -en

Words derived from “со́лоно”

несолоно

Every word from Proto-Slavic -ěnъ →Every word from Russian -ёный →Every word from Russian солёный →