Where does “rovnoběžnostěn” come from?
rovnoběžnostěn (Czech) comes from Czech stěna, from Old Czech stěna, from Proto-Slavic stěna, from Proto-Balto-Slavic staiˀnāˀ, from Proto-Indo-European stoyh₂-neh₂, from Proto-Indo-European steyh₂-, from Proto-Indo-European steh₂- — to stand.
rovnoběžnostěn (Czech): parallelepiped
Ancestry of “rovnoběžnostěn”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Czech | stěna | wall |
| 2 | Old Czech | stěna | — |
| 3 | Proto-Slavic | stěna | conglomeration; lump, block; cliff, rock |
| 4 | Proto-Balto-Slavic | staiˀnāˀ | — |
| 5 | Proto-Indo-European | stoyh₂-neh₂ | — |
| 6 | Proto-Indo-European | steyh₂- | to stiffen |
| 7 | Proto-Indo-European | steh₂- | to stand |