Where does “Khamenei” come from?

Khamenei is an English rendering of the Persian name خامنه‌ای, derived from the Persian خامنه.

Ancestry of “Khamenei”, step by step

Step	Language	Word	Meaning
1	Persian	خامنه‌ای	—
2	Persian	ـی	Forms nouns or adjectives from nouns; Forms...
3	Middle Persian	-yk'	—
4	Old Persian	-𐎡𐎣	of, pertaining to, belonging to, related to
5	Proto-Indo-Iranian	-kas	Creates deadjectival and desubstantival...
6	Proto-Indo-European	-ḱos	-y, -ic