Where does “Gensior” come from?

Gensior (Polish) comes from Polish gąsior, from Proto-Slavic gǫserъ, from Proto-Slavic gǫsь, from Proto-Indo-European ǵʰh₂éns — goose.

Ancestry of “Gensior”, step by step

StepLanguageWordMeaning
1Polishgąsiorgander; carboy; jug for wine; A type of roof tile
2Proto-Slavicgǫserъgander
3Proto-Slavicgǫsьgoose
4Proto-Indo-Europeanǵʰh₂énsgoose
Every word from Proto-Indo-European ǵʰh₂éns →Every word from Proto-Slavic gǫsь →Every word from Proto-Slavic gǫserъ →