Where does “Kłosiewicz” come from?

Kłosiewicz (Polish) comes from Polish kłos, from Proto-Slavic kȏlsъ, from Proto-Indo-European kolH-so-.

Ancestry of “Kłosiewicz”, step by step

StepLanguageWordMeaning
1Polishkłosear
2Proto-Slavickȏlsъear (of grain)
3Proto-Indo-EuropeankolH-so-—
Every word from Proto-Indo-European kolH-so- →Every word from Proto-Slavic kȏlsъ →Every word from Polish kłos →