Where does “کفر” come from?

کفر (Urdu) comes from Arabic كُفْر, from Arabic ف, from Arabic نَفِدَ — to run out, to give out.

Ancestry of “کفر”, step by step

StepLanguageWordMeaning
1Arabicكُفْرpitch, tar
2Arabicفthen, and then; and so, thus, hence, therefore;...
3Arabicنَفِدَto run out, to give out

Words derived from “کفر

Every word from Arabic نَفِدَEvery word from Arabic فEvery word from Arabic كُفْر