Proto-Altaic: *bĕ̀dù
Meaning: thick, large
Russian meaning: толстый, крупный
Comments: Gombocz 1905, KW 66, Poppe 53 (Turk.-Mong.), Martin 243-244, АПиПЯЯ 16, 68, 72, 280, Дыбо 12. Verbal low tone in Kor. Doerfer's (TMN 1, 235; 4, 275) criticism of the Turk.-Mong. match ("lautgesetzlich nicht vergleichbar;...passen im Vokalismus nicht...") is incorrect, because *-e- is well reconstructable for Proto-Mongolian. PTM *burgu is a contraction < *bedu-rgu (a similar phonetic development cf. in PTM *xürgü 'tail' < *k`i̯udo-rgV). In Kor. one would expect *pùrɨ̀-; the attested pɨ̀rɨ̀- is an obvious result of vocalic assimilation.
