Where does “Շուշան” come from?

Շուշան (Armenian) comes from Old Armenian շուշան, from Classical Syriac šūšan.

Ancestry of “Շուշան”, step by step

Step	Language	Word	Meaning
1	Old Armenian	շուշան	lily; the cap of the censer
2	Classical Syriac	šūšan	—

Շուշան — Etymology, Origin & Word History | Etymology Explorer