English
epizoon
From epi- + -zoon.
Proto-Indo-European *gʷeyh₃- ‘to live’
…
Ancient Greek ζωός ‘alive’
Ancient Greek ζώῐ̈ον ‘Ionic form of ζῷον (zōîon)’
Ancient Greek ζῷον ‘animal’
New Latin zōon
English zoon
Today it means
noun A microorganism (such as a yeast-type fungus or a protozoon) that grows on the surface of an animal host, as: In a nonparasitic way, using an animal's skin as a microhabitat.
Language periods are conventional ranges, not dates for this word.
Etymograph / epizoon