Where does “пятнадцатигранник” come from?
пятнадцатигранник (Russian) comes from Russian пятна́дцать, from Russian пять, from Old Church Slavonic пѧть, from Proto-Slavic pętь, from Proto-Indo-European pénkʷe — five.
пятнадцатигранник (Russian): pentadecahedron
Definitions
- pentadecahedron
Ancestry of “пятнадцатигранник”, step by step
пятнадцатигранник traces back through two separate lines of ancestry.
via Russian пятна́дцать
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | Russian | пятна́дцать | fifteen (15) |
| 2 | Russian | пять | five; second-person singular imperative... |
| 3 | Old Church Slavonic | пѧть | five |
| 4 | Proto-Slavic | pętь | five |
| 5 | Proto-Indo-European | pénkʷe | five |