μυριονταδικός
From LSJ
οὐκ ἔστι γῆρας τοῦδε τοῦ μιάσματος → that pollution never wears out, that pollution can never grow old
English (LSJ)
ή, όν,
A of the number 10,000: μ. διπλοῦς, τριπλοῦς, etc. (sc. ἀριθμός), a unit of the second (third, etc.) order of myriads (= 10,0002, 10,0003, etc.), Theo Sm.in Ptol.p.64 H.
German (Pape)
[Seite 219] die Zahl 10000 betreffend, Theo ad Ptolem. p. 23.