Where does “osiemnastościan” come from?

osiemnastościan (Polish) comes from Polish osiemnaście, from Polish -y, from Old Polish -y, from Proto-Slavic jь, from Proto-Balto-Slavic iś, from Old Polish ić, from Proto-Slavic jьti, from Proto-Balto-Slavic eitei — to go.

osiemnastościan (Polish): octadecahedron

Definitions

  1. octadecahedron

Ancestry of “osiemnastościan”, step by step

osiemnastościan traces back through two separate lines of ancestry.

via Polish osiemnaście

StepLanguageWordMeaning
1Polishosiemnaścieeighteen
2Polish-ynominative plural ending of some masculine nouns;...
3Old Polish-yforms adjectives
4Proto-Slavicthis; he
5Proto-Balto-Slavicthis
6Old Polishto go
7Proto-Slavicjьtito go
8Proto-Balto-Slaviceiteito go
9Proto-Indo-Europeanh₁éytito go, to be going
10Proto-Indo-Europeanh₁ey-to go

via Polish ściana

StepLanguageWordMeaning
1Polishścianawall
2Proto-Slavic*stěnàconglomeration (of stones)
Every word from Proto-Indo-European h₁ey-