From Proto-Turkic *īl-. Compare to Kyrgyz илүү (ilüü, “to hang”).
илер • (iler)
N. A. Baskakov, Toščakova N.A, editor (1947), “илер”, in Ojrotsko-Russkij Slovarʹ [Oyrot-Russian Dictionary], Moscow: M.: OGIZ, →ISBN
