Where does “مبادلة” come from?

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

مبادلة (Arabic): verbal noun of بَادَلَ

Definitions

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

مبادلة — Etymology, Origin & Word History | Etymology Explorer