quingentenary

noun

quin·​gen·​ten·​a·​ry

¦kwinˌjen‧¦tenərē,

kwinˈsentᵊnˌerē

plural -es

: quincentenary

Word History

Etymology

Latin quingenti five hundred (alteration of quincenti, from quinque- + centum hundred) + -enary (as in centenary)

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