Comments:SKE 62 (Mong.-Tung., incorrectly criticized in TMN 1, 554), 213. Turk. > WMong. beki, bekü > Evk. beki (see Doerfer TMN 1, 238, MT 101). Low tone and shortness reconstructed because of Mong. *h-. Cf. also *p`i̯àka 'mighty' (the two roots could interfere because of similarity).