mugi is a cover term both encompassing wheat, barley, rye and oats. komugi specifically refers to wheat only. ōmugi specifically refers to barley only. raimugi specifically refers to rye only. ōtomugi or enbaku specifically refer to oats only.
Analyzability
unanalyzable
Age
Old Japanese [21]
(710–794)
Lexical stratum
wago
Year
古事記 (712)
Comparison with Korean
Class 2: (discrepancy in high vowel rounding in J can be explained by assimilation to initial labial): K mil < MK milh < *milk. (72)