Definition of Achaemenid
plural Ach·ae·menids also Ach·ae·men·i·dae \ˌa-kə-ˈme-nə-ˌdē\
Origin of achaemenid
Greek Achaimenides, from Achaimenes, 7th century b.c. king of Persia, founder of the dynasty + -ides (patronymic suffix)
First Known Use: 1889
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