fluvial
Word family nounfluvialistadjectivefluviaticfluvialfluvioglacial
flu·vi·al /ˈfluːviəl/ adjectiveadj technical SGrelating to rivers or caused by rivers 河流的;河流引起的 Origin fluvial (1300-1400) Latin fluvialis, from fluvius “river”, from fluere “to flow”