The Proto-Turkic word *āŋ(la-)
Word *āŋ(la-)
Meaning to understand, intelligence, to hear
Synonyms *ẹĺit-, *uk-

Comments
S. A. Starostin, A. V. Dybo, O. A. Mudrak - An Etymological Dictionary of Altaic Languages, 2003, Brill

Other words that might be of interest
*dɨŋla- / diŋle- ‘to listen, hear’, *gör- ‘eye, to see, look’