quindecim

noun

quin·​de·​cim

ˈkwindəˌsim

plural -s

1

obsolete : a tax of one fifteenth

2

: quindene

Word History

Etymology

Middle English quindesin, quindecime, from Late Latin quindecima, feminine of quindecimus fifteenth, from Latin quindecim fifteen, from quinque- + decem ten

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