τετρᾶς
From LSJ
ὃς ἂν βούληται τῆν γῆν κινῆσαι κινησάτω τὸ πρῶτον ἑαυτόν → let him that would move the world first move himself
English (LSJ)
ᾶντος, ὁ,
A quadrant of a circle, Vitr.4.2.4, 4.3.4, 10.6.1. II a coin, Lat. quadrans, Hsch.; cf. ἑξᾶς; on the accent cf. Hdn.Gr.1.56.
German (Pape)
[Seite 1099] ᾶντος, ὁ, der vierte Theil. – Bes. eine Münze, vier χαλκοῖ an Werth, quadrans, Sp.