Meaning

noun a follower who carries out orders without question

noun (Greek mythology) a member of the warriors who followed Achilles on the expedition against Troy

originFrom Latin Myrmidones, from Ancient Greek Μυρμιδόνες (Murmidónes), a tribe of warriors led by Achilles to the Trojan War. Folk etymology in Ovid's time derived the tribe's name from μυρμηδών (murmēdṓn, “ant-nest”), from μύρμηξ (múrmēx, “ant”)).

Etymology from Wiktionary, CC BY-SA 3.0