ὑστερόπους
From LSJ
ἂν βούλησθε ἀκούειν καί μοι περιουσία ᾖ τοῦ ὕδατος → if you care to hear and if the water in the water-clock holds out, if you care to hear and if I have time enough for speaking
English (LSJ)
ὁ, ἡ, neut. πουν, gen. ποδος,
A coming late, ὑ. βοηθῶ Ar.Lys.326 (lyr.); ὑ. Νέμεσις AP12.229 (Strat.); Ἐρινύς Orph.A.1164.