Where does “कोशर” come from?

कोशर (Hindi) comes from English kosher, from Yiddish כּשר, from Hebrew כָּשֵׁר — kosher.

Ancestry of “कोशर”, step by step

StepLanguageWordMeaning
1EnglishkosherFit for use or consumption, in accordance with...
2Yiddishכּשרkosher
3Hebrewכָּשֵׁרkosher
Every word from Hebrew כָּשֵׁרEvery word from Yiddish כּשרEvery word from English kosher