Short for 水戸黄門 (Mito Kōmon): a nickname of Tokugawa Mitsukuni, the second daimyo of Mito Domain

the gates of the Imperial Palace, originally painted yellow / (archaic) a eunuch / (by extension) an infertile male

for the first time, first

(dialectal) for the first time

for the first time

yesterday

yesterday

last night / yesterday

(chiefly women's speech) first person singular pronoun: I, me

disgraceful, shameful, indecent / shabby, unsightly