Where does “اجتهد” come from?

اجتهد (Arabic) comes from Arabic ه, from Arabic كَهْرَبَاء, from Persian کهربا, from Persian کاه, from Persian کاستن, from Proto-Iranian kas-, from Proto-Indo-European kʷeḱ- — to see; to look.

اجتهد (Arabic): to work hard, to strive

Definitions

  1. to work hard, to strive

Ancestry of “اجتهد”, step by step

StepLanguageWordMeaning
1Arabicهhim, his, it, its; AH; Banū Ṭayyiʾ form of أَ
2Arabicكَهْرَبَاءelectricity
3Persianکهرباamber
4Persianکاهchaff; straw; hay
5Persianکاستنto decrease
6Proto-Iraniankas-to be small, diminish, lessen
7Proto-Indo-Europeankʷeḱ-to see; to look
Every word from Proto-Indo-European kʷeḱ- →Every word from Proto-Iranian kas- →Every word from Persian کاستن →