Комментарии:ЭСТЯ 1, 500. The Turkic form is hard to separate, although one would rather expect a back vowel (*iab-) here. There indeed exists a PT root *(i)abɨ- 'to bend, fall, swing' (Tat. avu- 'to bend, fall', Oyr. abɨ-, Tuva aa-t-tɨn- 'to swing', Kirgh. oo- 'to bend on one side, fall, swing, also in a play', oon- 'to roll, as a dog', Kaz. awu-, awɨn-, avɨ-t-qu- 'id.', Nogh. avɨ-, avna-, avda- 'id.', Bashk. aw-, awn-, awδ- 'id.', KBalk. aw-, awan-, awda- 'id.', Karaim avd-, Kum. avun-), whose relationship to *ebir- is not quite clear. {Cf. PE *uvǝ-ʁ- (-a-) 'to turn upside down, to tilt, round'}