δυάς
From LSJ
Μή, φίλα ψυχά, βίον ἀθάνατον σπεῦδε, τὰν δ' ἔμπρακτον ἄντλει μαχανάν → Oh! my soul do not aspire to eternal life, but exhaust the limits of the possible
English (LSJ)
άδος, ἡ,
A the number two, Pl.Phd.101c, Prm.149c, Arist.Ph.220a27, etc. 2 dyad, ἡ ἀόριστος δ. Arist.Metaph.1081a14, Alex.Aphr. in Metaph.58.12. 3 pair, Philostr.Im.1.6, Lib. Or.61.7.
German (Pape)
[Seite 671] άδος, ἡ, die Zahl Zwei, die Zweiheit, Plat. Phaed. 101 c u. öfter, wie Sp.