Where does “dwuobiadowy” come from?

dwuobiadowy (Polish) comes from Polish obiadowy, from Polish obiad, from Proto-Slavic obědъ, from Proto-Slavic oběsti, from Proto-Slavic ěsti, from Proto-Balto-Slavic ēˀstei, from Proto-Indo-European h₁édti, from Proto-Indo-European h₁ed- — to eat.

Ancestry of “dwuobiadowy”, step by step

dwuobiadowy traces back through two separate lines of ancestry.

via Polish obiadowy

StepLanguageWordMeaning
1Polishobiadowydinner, lunch
2Polishobiadlunch, usually eaten around 1 or 2pm, and...
3Proto-Slavicobědъmeal; lunch
4Proto-Slavicoběsti—
5Proto-Slavicěstito eat
6Proto-Balto-Slavicēˀsteito eat
7Proto-Indo-Europeanh₁édtito eat
8Proto-Indo-Europeanh₁ed-to eat

via Polish dwa

StepLanguageWordMeaning
1Polishdwatwo
2Old Polishdwatwo
3Proto-Slavicdъvatwo
4Proto-Balto-Slavicduwōtwo
5Proto-Indo-Europeandwóh₁two
Every word from Proto-Indo-European h₁ed- →Every word from Proto-Indo-European h₁édti →Every word from Proto-Balto-Slavic ēˀstei →