Where does “czworościan” come from?

czworościan (Polish) comes from Polish ściana, from Proto-Slavic *stěnà — conglomeration (of stones).

czworościan (Polish): tetrahedron

Definitions

  1. tetrahedron

Ancestry of “czworościan”, step by step

czworościan traces back through two separate lines of ancestry.

via Polish ściana

StepLanguageWordMeaning
1Polishścianawall
2Proto-Slavic*stěnàconglomeration (of stones)

via Polish czworo

StepLanguageWordMeaning
1Polishczworofour
2Proto-Slavic*četvero—
Every word from Proto-Slavic *stěnà →Every word from Polish ściana →