Origin: Greek suffix -gon
Conestoga wagon has 2 different meanings across 1 category:
a large wagon with broad wheels and an arched canvas top; used by the United States pioneers to cross the prairies in the 19th century
A heavy, freight-hauling cart with a canvas cover drawn by mules, oxen or horses. It should not be confused with the lighter prairie schooner that was used extensively during the westward expansion of the United States in the 18th and 19th centuries [https://en.wikipedia.org/wiki/Conestoga_wagon].