Where does “Ūranus” come from?

Ūranus (Latin) comes from Ancient Greek οὐρανός, from Ancient Greek ϝορσανός.

Ancestry of “Ūranus”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	οὐρανός	the vaulted sky, on which the stars were attached...
2	Ancient Greek	ϝορσανός	—

Ūranus — Etymology, Origin & Word History | Etymology Explorer