Where does “zooantroponosi” come from?

zooantroponosi (Italian) comes from Italian antroponosi, from Italian antropo-, from Ancient Greek Ἄνθρωπος, from Latin -us, from Old Latin -os, from Proto-Italic -os, from Proto-Indo-European -ós — Creates agent nouns from verb stems, denoting...

Ancestry of “zooantroponosi”, step by step

zooantroponosi traces back through two separate lines of ancestry.

via Italian antroponosi

StepLanguageWordMeaning
1Italianantroponosiinfectious disease transmitted to a vertebrate by a human
2Italianantropo-anthropo-
3Ancient GreekἌνθρωποςhuman being; person (as differentiated from gods, beasts, etc.)
4Latin-ussuffix forming adjectives from nouns, verbs,...
5Old Latin-osaccusative masculine plural of -us
6Proto-Italic-os
7Proto-Indo-European-ósCreates agent nouns from verb stems, denoting...

via Italian zoo

StepLanguageWordMeaning
1Italianzoozoo
Every word from Proto-Indo-European -ósEvery word from Latin -usEvery word from Ancient Greek Ἄνθρωπος