Where does “lazura” come from?

lazura (Esperanto) comes from Esperanto lazuro, from Russian лазу́рь, from Polish lazur, from Arabic لَازَوَرْد, from Persian لاژورد, from Proto-Iranian *varta-, from Proto-Indo-European wēl- — to see, perceive.

lazura (Esperanto): azure; sky blue

Definitions

azure; sky blue

Ancestry of “lazura”, step by step

Step	Language	Word	Meaning
1	Esperanto	lazuro	azure
2	Russian	лазу́рь	azure colour/color
3	Polish	lazur	azure
4	Arabic	لَازَوَرْد	azure; lapis lazuli
5	Persian	لاژورد	Alternative form of لاجورد; blue color
6	Proto-Iranian	*varta-	—
7	Proto-Indo-European	wēl-	to see, perceive

Every word from Proto-Indo-European wēl- →Every word from Proto-Iranian *varta- →Every word from Persian لاژورد →