source of a river

epicenter(AmE), epicentre(BrE) - the point on the Earth's surface directly above the focus of an earthquake. / (figuratively) The focal point of any activity, especially if dangerous or destructive .

(ecology) habitat

downtown, urban area

area hit by a disaster, disaster-stricken area

a surname

concession (territory)

earthly branch

work, task, business: the job at hand / profession, business, trade: what one does to earn a living / studies, scholarship (the act of being a scholar), the arts

工芸: / 虹霓, 虹蜺: rainbow