orchis

From the genus name.

orchis (plural orchises)

1. Any plant of the genus Orchis; an orchid.
   • 1871, Agnes Maule Machar, Lucy Raymond Or, The Children's Watchword, page 25:

     In spring, what a place it was for wild flowers!―as Lucy Raymond and her brothers well knew, having often brought home thence great bunches of dielytras and convallarias and orchises; and at any time some bright blossoms were generally to be found gleaming through the shade.

   • 1919, Ronald Firbank, Valmouth, Duckworth, hardback edition, page 91

     He had a suit of summer mufti, and a broad-brimmed blue beaver hat looped with leaves broken from the hedgerows in the lanes, and a Leander scarf tucked full of flowers: loosestrife, meadowrue, orchis, ragged-robin.

• Orcish, Schiro, chiros, choirs, ichors, orcish

From Ancient Greek ὄρχις (órkhis, “testicle, ovary, orchid”).

orchis f (genitive orchis); third declension

1. orchid (flower)
2. kind of olive

Third declension i-stem.

• orchis in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press