Комментарии:SKE 59 (without the Turk. parallel), Whitman 1985, 168, 235, АПиПЯЯ 286. Mongolian parallels (both in SKE 59 and in KW 309, VEWT 397) are highly dubious. For the Auslaut relations cf. *gĕ̀le: one of the possible PA monosyllabic verbal roots (*si̯ól).
