Where does “المسيح” come from?

المسيح (Arabic) comes from Arabic مَسِيح, from Arabic مَسَحَ — to anoint.

Ancestry of “المسيح”, step by step

Step	Language	Word	Meaning
1	Arabic	مَسِيح	—
2	Arabic	مَسَحَ	to anoint

المسيح — Etymology, Origin & Word History | Etymology Explorer