Where does “مجادلة” come from?

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

مجادلة (Arabic): verbal noun of جَادَلَ; argument

Definitions

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

مجادلة — Etymology, Origin & Word History | Etymology Explorer