Where does “prostopadłościan” come from?

prostopadłościan (Polish) comes from Polish prostopadły, from Polish paść, 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.

prostopadłościan (Polish): cuboid

Definitions

  1. cuboid

Ancestry of “prostopadłościan”, step by step

prostopadłościan traces back through two separate lines of ancestry.

via Polish prostopadły

StepLanguageWordMeaning
1Polishprostopadłyperpendicular
2Polishpaśćto fall; to drop; to strike; to overwhelm; to be...
3Proto-Slavicpastìto pasture
4Proto-Balto-Slavicpṓˀstei
5Proto-Indo-Europeanpēd-foot
6Proto-Indo-Europeanped-to walk, to step; to stumble, to fall

via Polish ściana

StepLanguageWordMeaning
1Polishścianawall
2Proto-Slavic*stěnàconglomeration (of stones)
Every word from Proto-Indo-European ped-Every word from Proto-Indo-European pēd-Every word from Proto-Balto-Slavic pṓˀstei