Where does “jak” come from?

jak (Silesian) comes from Old Polish jak, from Proto-Slavic jako, from Proto-Slavic jakъ, from Proto-Slavic jь, from Proto-Balto-Slavic iś, from Old Polish ić, from Proto-Slavic jьti, from Proto-Balto-Slavic eitei — to go.

jak (Silesian): how

Definitions

  1. how

Ancestry of “jak”, step by step

StepLanguageWordMeaning
1Old Polishjakadverbial interrogative; how
2Proto-Slavicjakohow, in which way
3Proto-Slavicjakъof this kind; of what/which kind
4Proto-Slavicjьthis; he
5Proto-Balto-Slaviciśthis
6Old Polishićto go
7Proto-Slavicjьtito go
8Proto-Balto-Slaviceiteito go
9Proto-Indo-Europeanh₁éytito go, to be going
10Proto-Indo-Europeanh₁ey-to go
Every word from Proto-Indo-European h₁ey- →Every word from Proto-Indo-European h₁éyti →Every word from Proto-Balto-Slavic eitei →
jak — Etymology, Origin & Word History | Etymology Explorer