Where does “ئاتلار” come from?

ئاتلار (Uyghur) comes from Uyghur ئات, from Chagatai ات, from Proto-Turkic āt, from Proto-Germanic ētą, from Proto-Germanic etaną, from Proto-Indo-European h₁édti, from Proto-Indo-European h₁ed- — to eat.

Ancestry of “ئاتلار”, step by step

ئاتلار traces back through two separate lines of ancestry.

via Uyghur ئات

Step	Language	Word	Meaning
1	Uyghur	ئات	horse
2	Chagatai	ات	—
3	Proto-Turkic	āt	name
4	Proto-Germanic	ētą	the act of eating; food
5	Proto-Germanic	etaną	to eat
6	Proto-Indo-European	h₁édti	to eat
7	Proto-Indo-European	h₁ed-	to eat

via Uyghur ـلار

Step	Language	Word	Meaning
1	Uyghur	ـلار	Used to form plurals of nouns, the last vowel of which is a
2	Old Turkic	𐰞𐰺	—

Every word from Proto-Indo-European h₁ed- →Every word from Proto-Indo-European h₁édti →Every word from Proto-Germanic etaną →