更

こう

one-fifth of the night (approx. 2 hours)

初

はつ うい うぶ

innocent, naive, unsophisticated, inexperienced, green, wet behind the ears

更け

ふけ

growing late, latening

五更

ごこう

the five night watches, fifth watch of the night (approx. 3 am to 5 am)

更地

さらち

empty lot, vacant plot of land

二更

にこう

second watch (approx. 9 pm to 11 pm)

今更

いまさら

now (after such a long time), at this late hour (i.e. it is too late for something)

尚更

なおさら

all the more, still less

更衣

こうい

changing one's clothes

一更

いっこう いちさら

first watch, 8-10 pm

殊更

ことさら

intentionally, deliberately

四更

しこう

fourth watch of the night (approx. 1 am to 3 am)

更正

こうせい

correction, revision, rectification

更始

こうし

renewal, reform

更訂

こうてい

revision

満更

まんざら

(not) altogether, (not) wholly

更紗

サラサ さらさ

cotton print, calico

三更

さんこう

third watch of the night (approx. 11 pm to 1 am)

更新

こうしん

renewal, update, innovation, improvement