defluvium

From dēfluō (“to flow down, run down”) +‎ -ium (noun-forming suffix).

• (Classical Latin) IPA^(key): [deːˈfɫʊ.wi.ũː]
• (modern Italianate Ecclesiastical) IPA^(key): [d̪eˈfluː.vi.um]

dēfluvium n (genitive dēfluviī or dēfluvī); second declension

1. A flowing or falling off or down

Second-declension noun (neuter).

¹Found in older Latin (until the Augustan Age).

• “defluvium”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• defluvium in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.