Where does “سپهر” come from?

سپهر (Persian) comes from English sphere, from Middle English spere, from Old French sphere, from Latin sphēra, from Ancient Greek σφαῖρα, from Ancient Greek -ειδής, from Ancient Greek -ής, from Proto-Indo-European -ēs — Creates action nouns or result nouns from verbs;...

سپهر (Persian): sky, heaven; sphere

Definitions

sky, heaven; sphere

Ancestry of “سپهر”, step by step

سپهر traces back through 3 separate lines of ancestry.

via English sphere

Step	Language	Word	Meaning
1	English	sphere	A regular three-dimensional object in which every...
2	Middle English	spere	A spear or lance; The Lance of Longinus; A barb...
3	Old French	sphere	sphere shape
4	Latin	sphēra	—
5	Ancient Greek	σφαῖρα	ball, globe, sphere
6	Ancient Greek	-ειδής	like, connected to, from the nature of, full of;...
7	Ancient Greek	-ής	adjective suffix
8	Proto-Indo-European	-ēs	Primarily forms adjectival bahuvrīhi compounds
9	Proto-Indo-European	-ess	—
10	Proto-Indo-European	-os	Creates action nouns or result nouns from verbs;...

via French sphère

Step	Language	Word	Meaning
1	French	sphère	sphere; sphere, area
2	Late Latin	sphera	Alternative form of sphaera

via Middle Persian spyhl

Step	Language	Word	Meaning
1	Middle Persian	spyhl	—

Every word from Proto-Indo-European -os →Every word from Ancient Greek -ειδής →Every word from Ancient Greek σφαῖρα →