noun, plural A·chae·me·nids, Ach·ae·men·i·dae [ak-uh-men-i-dee] /ˌæk əˈmɛn ɪˌdi/, Ach·ae·men·i·des [ak-uh-men-i-deez] /ˌæk əˈmɛn ɪˌdiz/.
a member of the dynasty of kings in ancient Persia that ruled from c550 b.c. to 331 b.c.
Origin of Achaemenid
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
noun plural Achaemenids, Achaemenidae (ˌækɪˈmɛnɪˌdiː) or Achaemenides (ˌækɪˈmɛnɪˌdiːz)
any member of a Persian dynasty of kings, including Cyrus the Great, that ruled from about 550 to 331 bc, when Darius III was overthrown by Alexander the Great
Word Origin for Achaemenid
from Greek, after Akhaimenēs, name of the founder
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