Where does “مخدر” come from?

مخدر (Arabic) comes from Arabic خَدَّرَ, from Arabic د, from Arabic اِسْتَخْدَمَ — to use, hire.

مخدر (Arabic): drug, narcotic; anesthetic

Definitions

Step	Language	Word	Meaning
1	Arabic	خَدَّرَ	to anesthetize
2	Arabic	د	—
3	Arabic	اِسْتَخْدَمَ	to use, hire

مخدر — Etymology, Origin & Word History | Etymology Explorer