oncidium[än sid′ē əm]
Origin: ModL < Gr onkos, barbed hook (for IE base see ankle) + ModL -idium (< Gr -idion, dim. suffix): from form of the labellum
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Origin: New Latin Oncidium, genus name : Greek onkos, barb, hook (from the shape of its labellum) + New Latin -idium, diminutive suff. (from Greek -idion).