Archaic poetic name for the second month of the old lunar calendar, associated with plum blossom viewing. Modern Japanese uses 二月 or 如月.
See also: 如月
In the old calendar, the second month is sometimes called ume-mizuki.
From 梅 (plum) + 見 (viewing) + 月 (month), referring to the season when plum blossoms are enjoyed. The exact historical derivation is uncertain.