JOU 
a(garu), a(geru), nobo(ru), ue 
(名) up (形) upward (動) to climb, to raise
joukyuu (形) advanced, high-grade
nobori esukare-ta- (名) the ascending escalator
tsukue ni agaru (動) go up onto the desk
uenokai (名) the floor above

Links: KanjiDic: EDict : Wikimedia
Etymologies: 中文字譜 : 説文解字