Where does “staroczeski” come from?

staroczeski (Polish) comes from Polish czeski, from Polish Czechy, from Polish -y, from Old Polish -y, from Proto-Slavic jь, from Proto-Balto-Slavic iś, from Old Polish ić, from Proto-Slavic jьti — to go.

staroczeski (Polish): Old Czech

Definitions

  1. Old Czech

Ancestry of “staroczeski”, step by step

staroczeski traces back through two separate lines of ancestry.

via Polish czeski

StepLanguageWordMeaning
1PolishczeskiCzech
2PolishCzechy
3Polish-ynominative plural ending of some masculine nouns;...
4Old Polish-yforms adjectives
5Proto-Slavicthis; he
6Proto-Balto-Slavicthis
7Old Polishto go
8Proto-Slavicjьtito go
9Proto-Balto-Slaviceiteito go
10Proto-Indo-Europeanh₁éytito go, to be going
11Proto-Indo-Europeanh₁ey-to go

via Polish Stary

StepLanguageWordMeaning
1PolishStaryold
2Old Polishstaryold
3Proto-Slavicstarъold
4Proto-Balto-Slavicstaʔros
5Proto-Indo-Europeansteh₂-ro-large, big, thick; old
6Proto-Indo-Europeansteh₂-to stand
Every word from Proto-Indo-European h₁ey-Every word from Proto-Indo-European h₁éytiEvery word from Proto-Balto-Slavic eitei