Where does “ذ” come from?

ذ (Persian) comes from Arabic ذ, from Arabic د, from Arabic اِسْتَخْدَمَ — to use, hire.

Ancestry of “ذ”, step by step

StepLanguageWordMeaning
1Arabicذ
2Arabicد
3Arabicاِسْتَخْدَمَto use, hire
Every word from Arabic اِسْتَخْدَمَEvery word from Arabic دEvery word from Arabic ذ