Where does “rovnostranný” come from?

rovnostranný (Czech) comes from Czech rovný, from Old Czech rovný, from Proto-Slavic orvьnъ, from Proto-Slavic -ьnъ — -ish, -ic, -al, -ed; From adjectives.

rovnostranný (Czech): equilateral

Definitions

  1. equilateral

Ancestry of “rovnostranný”, step by step

rovnostranný traces back through two separate lines of ancestry.

via Czech rovný

StepLanguageWordMeaning
1Czechrovnýeven; equal
2Old Czechrovný—
3Proto-Slavicorvьnъstraight; even
4Proto-Slavic-ьnъ-ish, -ic, -al, -ed; From adjectives

via Czech strana

StepLanguageWordMeaning
1Czechstranaside; page; party
2Old Czechstranaside
3Proto-Slavicstornàside, land
Every word from Proto-Slavic -ьnъ →Every word from Proto-Slavic orvьnъ →Every word from Old Czech rovný →