Where does “trójstronny” come from?

trójstronny (Polish) comes from Polish strona, from German Webseite, from German Seite, from German -ig, from German -jährig, from German Jahr, from Middle High German jār, from Old High German jār — year.

trójstronny (Polish): trilateral, tripartite

Definitions

  1. trilateral, tripartite

Ancestry of “trójstronny”, step by step

StepLanguageWordMeaning
1Polishstronaside; page; voice
2GermanWebseiteweb page
3GermanSeiteside; face, side, surface of any...
4German-ig-y; forms adjectives from nouns; forms adjectives...
5German-jährigyears old; years lasting
6GermanJahryear
7Middle High Germanjāryear
8Old High Germanjāryear
9Proto-West Germanicjāryear
10Proto-Germanicjērąyear; name of the J-rune
11Proto-Indo-Europeanyeh₁r-year
Every word from Proto-Indo-European yeh₁r-