Where does “milost” come from?

milost (Old Czech) comes from Proto-Slavic milostь, from Proto-Slavic milъ, from Proto-Balto-Slavic meiʔlos, from Proto-Indo-European meyl-.

Ancestry of “milost”, step by step

Step	Language	Word	Meaning
1	Proto-Slavic	milostь	—
2	Proto-Slavic	milъ	dear, nice, gentle, mild, soft, pleasant, polite
3	Proto-Balto-Slavic	meiʔlos	—
4	Proto-Indo-European	meyl-	—

milost — Etymology, Origin & Word History | Etymology Explorer