Where does “dwójnasób” come from?

dwójnasób (Polish) comes from Polish nasób, from Polish na, from Polish prawda, from Proto-Slavic pravьda, from Proto-Slavic pravъ, from Proto-Balto-Slavic prōˀwas, from Proto-Indo-European preh₃-wo-s, from Proto-Indo-European per- — passed , crossed.

Ancestry of “dwójnasób”, step by step

dwójnasób traces back through two separate lines of ancestry.

via Polish nasób

StepLanguageWordMeaning
1Polishnasóbthe same amount
2Polishnaon, in; onto, on; for, by
3Polishprawdatruth; right
4Proto-Slavicpravьdatruth; justice
5Proto-Slavicpravъright, straight; correct
6Proto-Balto-Slavicprōˀwas
7Proto-Indo-Europeanpreh₃-wo-s
8Proto-Indo-Europeanper-before, in front; first; to go through
9Proto-Indo-Europeanpr̥tóspassed , crossed

via Polish dwa

StepLanguageWordMeaning
1Polishdwatwo
2Old Polishdwatwo
3Proto-Slavicdъvatwo
4Proto-Balto-Slavicduwōtwo
5Proto-Indo-Europeandwóh₁two
Every word from Proto-Indo-European pr̥tósEvery word from Proto-Indo-European per-Every word from Proto-Indo-European preh₃-wo-s