Where does “dupokrytka” come from?

dupokrytka (Polish) comes from Polish kryć, from Proto-Slavic kryti, from Proto-Balto-Slavic krū́ˀtei, from Proto-Indo-European krewH- — to cover, heap.

Ancestry of “dupokrytka”, step by step

dupokrytka traces back through two separate lines of ancestry.

via Polish kryć

StepLanguageWordMeaning
1Polishkryćto hide; to conceal
2Proto-Slavickrytito cover, to hide; to hide, to be under cover
3Proto-Balto-Slavickrū́ˀtei—
4Proto-Indo-EuropeankrewH-to cover, heap

via Polish dupa

StepLanguageWordMeaning
1Polishdupaass, arse; sexually attractive woman; hollow,...
2Proto-Slavic*dupa—
Every word from Proto-Indo-European krewH- →Every word from Proto-Balto-Slavic krū́ˀtei →Every word from Proto-Slavic kryti →