Where does “Gajos” come from?

Gajos (Polish) comes from Polish gaj, from Proto-Slavic gajь, from Proto-Slavic -jь, from Proto-Indo-European yós, from Proto-Finnic wiša, from Proto-Indo-Iranian wišás, from Proto-Indo-European wisós — fluidity, slime, poison; poison; poison; slime;...

Ancestry of “Gajos”, step by step

Gajos traces back through two separate lines of ancestry.

via Polish gaj

StepLanguageWordMeaning
1Polishgajgrove
2Proto-Slavicgajьsqueak; grove
3Proto-Slavic-jьAdjectival inherited from the Caland roots,...
4Proto-Indo-Europeanyósthat, who, which
5Proto-Finnicwiša
6Proto-Indo-Iranianwišáspoison, venom
7Proto-Indo-Europeanwisósfluidity, slime, poison; poison; poison; slime;...

via Polish gaić

StepLanguageWordMeaning
1Polishgaićto cover with greenery
2Polish-ićforms causative verbs
3Old Polish-ićforms verbs
4Proto-Slavic-itiDeverbal, iterative; Deverbal, causative;...
5Proto-Indo-European-éyetiForms causative imperfective verbs from roots;...
6Proto-Indo-European-yetiCreates transitive imperfective verbs from roots
Every word from Proto-Indo-European wisósEvery word from Proto-Indo-Iranian wišásEvery word from Proto-Finnic wiša