Having the characteristics of artiodactyls; possessing an even number of functional toes or hooves on the feet.
From artiodactyl plus -ous (adjectival suffix meaning 'having the nature of'). Forms the adjectival version of the taxonomic term.
The -ous suffix is one of English's most productive adjective makers, turning nouns into descriptors—it's why we can talk about someone being 'nervous,' 'dangerous,' or 'artiodactylous' with the same grammatical pattern!
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