Origin: Greek prefix poly-
Definition, synonyms and related words
Of or pertaining to a family of apetalous plants, Polygonaceae, of which the knotweeds of the genus Polygonum are the type, and which includes also the docks of the genus Rumex, the buckwheat, rhubarb, sea grape of the genus Coccoloba, and several other genera.
This word comes from the name of the Polygonaceae plant family combined with the suffix "-ous." It originally meant "belonging to or resembling the buckwheat family of plants."