dies nefastus

noun

dies ne·​fas·​tus

-āsneˈfästəs

plural dies nefasti

-ˌstē

: a day on which secular activities were forbidden in ancient Rome

specifically : a day on which the courts were closed and it was illegal (as for the praetors) to transact public judicial affairs

Word History

Etymology

Latin, literally, noncourt day

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