πολύχρηστος
From LSJ
Τὸ νικᾶν αὐτὸν αὑτὸν πασῶν νικῶν πρώτη τε καὶ ἀρίστη. Τὸ δὲ ἡττᾶσθαι αὐτὸν ὑφ' ἑαυτοῦ πάντων αἴσχιστόν τε ἅμα καὶ κάκιστον. → Τo conquer yourself is the first and best victory of all, while to be conquered by yourself is of all the most shameful as well as evil
English (LSJ)
ον,
A useful for many purposes, very useful, Arist.GA789b9, Pol.1337b26, Dsc. 1.1, Gal.6.534,480 (Sup.); τὸ π. Corn.ND9: Comp., Muson.Fr. 20p.112H., Alex.Aphr. in Top.277.4. Adv. -τως v.l. in Paul.Aeg.7.16.
German (Pape)
[Seite 677] sehr nutzbar, nützlich, Arist. gen. an. 5, 8.
Greek (Liddell-Scott)
πολύχρηστος: -ον, ὁ εἰς πολλὰ χρήσιμος, λίαν χρήσιμος, Ἀριστ. π. Ζ. Γεν. 5. 8, 12· π. πρὸς τὸν βίον ὁ αὐτ. ἐν Πολιτικ. 8. 4. 1.
French (Bailly abrégé)
ος, ον :
très utile ; très employé.
Étymologie: πολύς, χρηστός.