Where does “czterdziesiąty” come from?

czterdziesiąty (Old Polish) comes from Old Polish -y, from Proto-Slavic jь, from Proto-Balto-Slavic iś, from Old Polish ić, from Proto-Slavic jьti, from Proto-Balto-Slavic eitei, from Proto-Indo-European h₁éyti, from Proto-Indo-European h₁ey- — to go.

czterdziesiąty (Old Polish): fortieth

Definitions

  1. fortieth

Ancestry of “czterdziesiąty”, step by step

StepLanguageWordMeaning
1Old Polish-yforms adjectives
2Proto-Slavicjьthis; he
3Proto-Balto-Slaviciśthis
4Old Polishićto go
5Proto-Slavicjьtito go
6Proto-Balto-Slaviceiteito go
7Proto-Indo-Europeanh₁éytito go, to be going
8Proto-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 →