orchis

noun
or·​chis | \ˈȯr-kəs \

Definition of orchis 

: orchid especially : any of a genus (Orchis) of orchids with fleshy roots and a spurred lip

First Known Use of orchis

1859, in the meaning defined above

History and Etymology for orchis

borrowed from Latin (New Latin as a genus name), borrowed from Greek órchis "testicle, orchid" (the latter sense from the testicle-like shape of the paired tubers of some species), going back to Indo-European *h3erǵh-i-, whence also, with differing suffixation and ablaut, Armenian orjik‛ "testicles," Albanian herdhe, Middle Irish uirge, Avestan ərəzi, Hittite arki- "testicle," ark- "mount, copulate (with)" and, as a suffixed noun derivative, Lithuanian er̃žilas (dialectal ar̃žilas) "stallion"

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The first known use of orchis was in 1859

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