Where does “предпочтительный” come from?
предпочтительный (Russian) comes from Russian предпоче́сть, from Russian поче́сть, from Russian че́сть, from Old Church Slavonic чьсти, from Proto-Slavic čisti, from Proto-Balto-Slavic (s)keistéi, from Proto-Indo-European *(s)kʷéyt-t ~ *(s)kit-ént, from Proto-Indo-European kʷeyt- — to notice; to read.
Ancestry of “предпочтительный”, step by step
Words derived from “предпочтительный”