Where does “pasirok” come from?

pasirok (Polish) comes from Polish pas, from French pas, from Old French pas, from Latin pāstus, from Latin -tus, from Proto-Italic -tus, from Proto-Indo-European -tus — Derives action nouns from verb roots.

Ancestry of “pasirok”, step by step

pasirok traces back through two separate lines of ancestry.

via Polish pas

StepLanguageWordMeaning
1Polishpasbelt; fess; pass
2Frenchpasstep, pace, footstep; strait, pass; thread, pitch
3Old Frenchpaspace; step; Alternative form of past
4Latinpāstushaving eaten, consumed
5Latin-tusForms the past participle of verbs; Forms...
6Proto-Italic-tus
7Proto-Indo-European-tusDerives action nouns from verb roots

via Polish Rok

StepLanguageWordMeaning
1PolishRokyear
2Old Polishrokyear
3Proto-Slavicrokъtime, term; year
4Proto-Slavicreťito say
Every word from Proto-Indo-European -tusEvery word from Latin -tusEvery word from Latin pāstus