duodecade

duodecade · noun¹

1. Ancient Greek · derived fromδυωδεκάς“twelve”
2. Late Latin · borrowed fromduodecas“twelve”
3. English todayduodecade

Borrowed from Late Latin duodecas (“twelve”), from Ancient Greek δυωδεκάς (duōdekás, “twelve”). Equivalent to duodec- + -ade.

duodecade · noun²

From duo- + decade.