Where does “مُلْک” come from?

مُلْک (Classical Persian) comes from Arabic مُلْك — kingship, royalty, monarchy; kingdom, dominion.

Ancestry of “مُلْک”, step by step

Step	Language	Word	Meaning
1	Arabic	مُلْك	kingship, royalty, monarchy; kingdom, dominion

مُلْک — Etymology, Origin & Word History | Etymology Explorer