Where does “kibelek” come from?

kibelek (Polish) comes from Polish kibel, from German Kübel, from Middle High German kübel, from Old High German kubilo, from Latin cupula, from Latin -ulus, from Proto-Italic -olos, from Proto-Italic -elos — Forms agent nouns from verbal roots.

Ancestry of “kibelek”, step by step

StepLanguageWordMeaning
1Polishkibelbog, john, can, lavatory, toilet
2GermanKübela fairly tall tub or bucket, especially one with...
3Middle High Germankübelwooden vessel; this vessel as a measure of grain
4Old High Germankubilo
5LatincupulaA small tub or cask
6Latin-ulusUsed to form a diminutive of a noun, indicating...
7Proto-Italic-olos
8Proto-Italic-elosForms desubstantival and deadjectival diminutive nouns
9Proto-Indo-European-e-lós
10Proto-Indo-European-lósForms agent nouns from verbal roots
Every word from Proto-Indo-European -lósEvery word from Latin -ulusEvery word from Latin cupula