コウ
さら、さら.に、ふ.ける、ふ.かす
更, 一, 日, 乂, 丿
曰
grow late, night watch, sit up late, of course
変更(へんこう): change; modification; alteration; revision; amendment
更に(さらに): furthermore; again; after all; more and more; moreover; even more
夜更かし(よふかし): staying up late; keeping late hours; sitting up late at night; nighthawk
更ける(ふける): to get late; to advance; to wear on
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
夜更け(よふけ): late at night