Where does “непоследовательный” come from?
непоследовательный (Russian) comes from Russian после́довательный, from Russian после́довать, from Russian сле́довать, from Russian след, from Old East Slavic слѣдъ, from Proto-Slavic slědъ, from Latvian slaidus, from Proto-Balto-Slavic sleid- — slippery, to slide.
Ancestry of “непоследовательный”, step by step
Words derived from “непоследовательный”