- epizootic (n.)
[epizootic 词源字典]
- animal equivalent of epidemic, 1748, from French épizootique, from épizootie, irregularly formed from Greek epi "on, upon" (see epi-) + zoon "animal" (see zoo-). As an adjective from 1790.[epizootic etymology, epizootic origin, 英语词源]