πεμπάς
From LSJ
Dante Alighieri, Paradiso, XXXIII, v. 145
English (LSJ)
άδος, ἡ,
A the number five, Pl.R.546c, Phd.104a (πεμπτάς codd.), Plu.2.387e, Plot.6.3.11. II group of five, X.Cyr.2.1.22 and 24, HG7.2.6, Dam.Pr.203; cf.πεντάς. III fifth part, SIG57.35,39 (Milet., V B.C.).