Комментарии:For *m- cf. Min forms: Xiamen bɔŋ2, Chaozhou moŋ2, Fuzhou muŋ2, Jianou moŋ9. Also means 'stupidity, ignorance'; one of a number of *MVN-type words with the general meaning 'dark, obscure' etc. (see also 盲, 夢, 儚, 懵). Viet. mù is one of the loanwords having lost the final nasal through dissimilation with the nasal initial; standard Sino-Viet. is mông). We should note that Viet. mù also means 'dense fog' - in which sense it is probably a contamination with another Chinese source, 霧 *mho(k)s q.v.