*падилист (Ukrainian) comes from Ukrainian па́сти, from Proto-Slavic pastì, from Proto-Balto-Slavic pṓˀstei, from Proto-Indo-European pēd-, from Proto-Indo-European ped- — to walk, to step; to stumble, to fall.
Ancestry of “*падилист”, step by step
*падилист traces back through two separate lines of ancestry.