oncidium[än sid′ē əm]
Origin of oncidiumModern Latin ; from Classical Greek onkos, barbed hook (for Indo-European base see ankle) + Modern Latin -idium (; from Classical Greek -idion, diminutive suffix): from form of the labellum
Origin of oncidiumNew Latin Oncidium, genus name : Greek onkos, barb, hook (from the shape of its labellum) + New Latin -idium, diminutive suff. (from Greek -idion).
Part or all of this entry has been imported from the 1913 edition of Websterâ€™s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
From the genus name.