In classical history what number was indicated by the word 'myriad'?
Myriad Myriad A myriad (from Ancient Greek ) is technically the number ten thousand; in that sense, the term is used almost exclusively in translations from Greek, Latin, or Chinese, or when talking about ancient Greek numbers. More generally, a myriad may be an indefinitely large number of things. The Aegean numerals of the Minoan and Mycenaean civilizations included a single unit to denote tens of thousands. It was written with a symbol composed of a circle with four dashes 𐄫. In Classical Greek numerals, a myriad was written as a capital mu: Μ, as lower case letters did not exist
Myriad in Ancient Greece. To distinguish this numeral from letters, it was sometimes given an overbar: . Multiples were written above this sign, so that for example would equal 4,582×10,000 or 45,820,000. The etymology of the word "myriad" itself is uncertain: it has been variously connected to PIE "*meu-" ("damp") in reference to the waves of the sea and to Greek "myrmex" (, "ant") in reference to their swarms. The largest number named in Ancient Greek was the myriad myriad (written ) or hundred million. In his "Sand Reckoner", Archimedes of Syracuse used this quantity as the basis for a numeration