πληθύνω
πολλάκις δοκεῖ τὸ φυλάξαι τἀγαθὰ τοῦ κτήσασθαι χαλεπώτερον εἶναι → it often proves harder to keep than to win prosperity | it is often harder for men to keep the good they have, than it was to obtain it
English (LSJ)
fut.
A -ῠνῶ 2 Ep.Cor.9.10: aor. ἐπλήθυνα Dam.Pr.99:—causal of πληθύω, increase, multiply, LXXGe.17.2, al., Ph.1.496, 2 Ep.Cor. l.c., Ep.Hebr.6.14:—Pass., ταῖς γυναιξὶ τὸ γάλα πληθύνεται abounds, Arist. HA587b20. 2 make multiple, 'plurify', κατὰ ἀναλογίαν [τὸ ἡνωμένον] ἐπληθύναμεν τῶν κατωτέρω πεπληθυσμένων τὸν πρῶτον πληθυσμόν Dam.l.c.; θεοὶ -όμενοι μὲν ἐν τῷ κόσμῳ, περὶ αὐτὸν δὲ ἑνοειδῶς ὄντες Jul.Or.4.143b, cf. Or.7.222a. 3 intr., v. πληθύω 11. 4 use the plural, Sch.Il.Oxy.1087.34. II Pass., to be in the majority, prevail, δήμου . . χεὶρ ὅπῃ πληθύνεται (cod. Med. πληθύεται) A.Supp. 604: c. inf., ταύτην ἐπαινεῖν . . πληθύνομαι I follow the majority, Id.Ag. 1370: pf. πεπλήθυνται LXX Ge.18.20. 2 Gramm., [τὸ ἀπαρέμφατον] οὐ πληθύνεται the infinitive has no plural, A.D.Synt.31.25.