εἰκοσάεδρον
From LSJ
ἄνω ποταμῶν ἱερῶν χωροῦσι παγαί → the springs of sacred rivers flow upward, backward to their sources flow the streams of holy rivers
Spanish (DGE)
-ου, τό
geom. icosaedro Euc.13.16, Hypsicl.Disp.proem., Hero Metr.2.15, Papp.150, Procl.in Euc.423.16
•en la fil. pitagórica una de las cinco figuras de sólidos que originan el elemento agua Placit.2.6.5 (= Philol.A 15), Ti.Locr.98d, Theo Sm.97.15, Plu.2.390a, 719d, Gal.5.668, D.L.3.70, Aristid.Quint.119.4, Theol.Ar.37, Simp.in Cael.12.19.
Russian (Dvoretsky)
εἰκοσάεδρον: τό двенадцатигранник Plut.
