myrio-

From French myrio-, ultimately from Ancient Greek μυρίος (muríos, “ten thousand”).

myrio-

1. Alternative form of myria-
   • 1685, John Wallis, A Proposal about Printing a Treatise of Algebra, Historical and Practical, page 16:

     And yet if this Number be not thought large enough, let all these (saith he) be called the First Period; and this Unit, an Unit of the first Numbers of the second Period; and (after so many places more) an Unit of the first Numbers (or Classis) of the third Period; and so onward to a Myriad of Myriads of such Periods: The last Unit of which, that is, one Myriad of Myriads, of the Myrio-myresimal Classes, of such Myrio-myresimal Period, answers (in our Notation) to 1 followed by 8, 0000, 0000, 0000, 0000, Ciphers: That is, 1 with Eight Myriads of Myriads of Myriads of Myriads of Ciphers.

   • 1889, Le Roy Clark Cooley, The New Text-book of Chemistry: For Use in High Schools and Academies:

     10 kiloliters = 1 myrioliter.

   • 1895, The West American Scientist:

     The myriogram equals 22.046 lbs. avoirdupois.

• myriogon (10000-gon)

From Ancient Greek μυρίος (muríos, “ten thousand”).

myrio-

1. Alternative form of myria-