πληθυσμός
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,
A a making multiple, pluralization, Procl.in Prm.p.577 S., in Ti.1.184 D., al., Simp. in Ph.88.22, Anon. in Cat.9.9, Dam.Pr.53, Eust.213.23.