Where does “grzeszek” come from?

grzeszek (Polish) comes from Polish grzech, from Polish Grzegorz, from Old Polish Grzegorz, from Latin Grēgorius, from Ancient Greek Γρηγόριος, from Ancient Greek -ῐος, from Proto-Indo-European -yós — Creates adjectives from noun or verb stems.

Ancestry of “grzeszek”, step by step

StepLanguageWordMeaning
1Polishgrzechsin
2PolishGrzegorz—
3Old PolishGrzegorz—
4LatinGrēgorius—
5Ancient GreekΓρηγόριοςwatchful, vigilant
6Ancient Greek-ῐοςbelonging to; of”, “belonging to”, “pertaining to
7Proto-Indo-European-yósCreates adjectives from noun or verb stems
Every word from Proto-Indo-European -yós →Every word from Ancient Greek -ῐος →Every word from Ancient Greek Γρηγόριος →