Where does “ـلىرـ” come from?

ـلىرـ (Uyghur) comes from Uyghur ـلار, from Old Turkic 𐰞𐰺.

Ancestry of “ـلىرـ”, step by step

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