polygonum

From translingual Polygonum, from the neuter of Ancient Greek πολύγωνος (polúgōnos, “polygonal”), from πολυ- (polu-, “many, much”) + γωνία (gōnía, “corner, angle”), so called in allusion to the numerous joints. Doublet of polygon.

polygonum (plural polygonums or polygona)

1. (botany) Any of many plants, of the family Polygonaceae, embracing a large number of species, including bistort, knotweed, smartweed, etc.

From Ancient Greek πολύγωνον (polúgōnon).

• (Classical) IPA^(key): /po.lyˈɡoː.num/, [pɔlʲʏˈɡoːnʊ̃ˑ]
• (modern Italianate Ecclesiastical) IPA^(key): /po.liˈɡo.num/, [poliˈɡɔːnum]

polygōnum n (genitive polygōnī); second declension

1. (mathematics) polygon

Second-declension noun (neuter).

• “polygonum”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• polygonum in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.