Proto-Mongolian: *bad-
Meaning: 1 to spread, expand, develop 2 flag, standard
Russian meaning: 1 распростирать, распространяться 2 флаг, знамя
Written Mongolian: badara- 1, badaŋ 2 (L 66)
Khalkha: badra- 1, badan 2
Buriat: badar- 1
Kalmuck: badṛ- 1
Ordos: badara- 1
Dongxian: patara- 1
Comments: KW 27, MGCD 130. Mong. > Evk. badara-, Man. badara- etc., see Doerfer MT 69. Sukhebaatar suggests a loan Mong. badaŋ < Tib. badan 'flag', but the case is not quite clear: the Tibetan word itself is clearly borrowed, but the source is not really known (it is hardly Sanskr. patākā id.), and may be actually Mongolian.
