peripatus

noun
pe·rip·a·tus | \pə-ˈri-pə-təs \

Definition of peripatus 

: any of a class or phylum (Onychophora) of primitive tropical wormlike invertebrates that appear intermediate between annelid worms and arthropods

First Known Use of peripatus

circa 1931, in the meaning defined above

History and Etymology for peripatus

New Latin, genus name, from Greek peripatos act of walking about, from peri- + patein to tread

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The first known use of peripatus was circa 1931

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