Meaning

noun a large indefinite number

noun the cardinal number that is the product of ten and one thousand

adjective too numerous to be counted

originEtymology tree Ancient Greek μῡρῐ́ος (mūrĭ́os) Ancient Greek -ᾰ́ς (-ắs) Ancient Greek μῡρῐᾰ́ς (mūrĭắs)bor. Late Latin mȳriasbor. French myriade English myriad From French myriade, from Late Latin mȳriadem (accusative of mȳrias), from Ancient Greek μυριάς (muriás, “number of 10,000”), from μυρίος (muríos, “numberless, countless, infinite”). By surface analysis, myria- + -ad.

Etymology from Wiktionary, CC BY-SA 3.0