Where does “upadnout” come from?
upadnout (Czech) comes from Czech padnout, from Old Czech padnúti, from Old Czech pásti, 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.
upadnout (Czech): to be in decline, to deteriorate, to decay
Definitions
- to be in decline, to deteriorate, to decay