Etymology of the Latin word epidemique
the Late Latin word epidemique
derived from the Greek word epidemia, ἐπιδημία
derived from the Greek word epidemios, ἐπιδήμιος
derived from the Byzantine Greek word epi, ἐπί (upon; properly, meaning superimposition (of time, place, order, etc.), as a relation of distribution (with the genitive case); over, upon, etc.; of rest (with the dative case) at, on, etc.; of direction (with the accusative case) towards, upon, etc.)