Where does “ksywka” come from?

ksywka (Polish) comes from Polish ksywa, from Hebrew כתיבה, from Hebrew כְּתִיבָה, from Hebrew כָּתַב, from Hebrew כ־ת־ב, from Proto-West Semitic *katab- — to scrape, to scratch.

Ancestry of “ksywka”, step by step

StepLanguageWordMeaning
1Polishksywanickname, alias
2Hebrewכתיבהwriting
3Hebrewכְּתִיבָהwriting
4Hebrewכָּתַבwrite
5Hebrewכ־ת־בforming words pertaining to writing
6Proto-West Semitic*katab-to scrape, to scratch
Every word from Proto-West Semitic *katab- →Every word from Hebrew כ־ת־ב →Every word from Hebrew כָּתַב →