Where does “сорокавосьмигранник” come from?

сорокавосьмигранник (Russian) comes from Russian восемь, from Old Church Slavonic осмь, from Proto-Slavic osmь, from Proto-Balto-Slavic aśmas, from Proto-Indo-European oḱtṓwos, from Proto-Indo-European oḱtṓw, from Proto-Indo-European aḱ- — sharp, pointed; sharp, pointed, edgy; sharp,...

сорокавосьмигранник (Russian): hexoctahedron, tetracontaoctahedron

Definitions

  1. hexoctahedron, tetracontaoctahedron

Ancestry of “сорокавосьмигранник”, step by step

сорокавосьмигранник traces back through 3 separate lines of ancestry.

via Russian восемь

StepLanguageWordMeaning
1Russianвосемьeight
2Old Church Slavonicосмьeight
3Proto-Slavicosmьeight
4Proto-Balto-Slavicaśmas
5Proto-Indo-Europeanoḱtṓwoseighth
6Proto-Indo-Europeanoḱtṓweight
7Proto-Indo-Europeanaḱ-sharp, pointed; sharp, pointed, edgy; sharp,...

via Russian грань

StepLanguageWordMeaning
1Russianграньface; facet, side; border, verge, brink
2Old East Slavicгрань
3Proto-Slavicgranьside, edge
4Proto-Slavic-nьDeverbative, creates nouns

via Russian со́рок

StepLanguageWordMeaning
1Russianсо́рокforty
2Old East Slavicсорокъa bunch of 40 sable pelts; a bunch of 40 sable...
3Proto-Slavic*sorkъclothing item
Every word from Proto-Indo-European aḱ-Every word from Proto-Indo-European oḱtṓwEvery word from Proto-Indo-European oḱtṓwos