εὐχρηστέω

A. to be serviceable, τινι for a thing, Plb. 12.18.3; εἴς τι Dsc. 1.7; ἐπί τινι Ruf. ap. Orib. 8.39.5, etc.; τινι to a person, SIG 618.13 (Heraclea ad Latm., ii B.C.): abs., Chrysipp.Stoic. 3.184, Diog.Bab.ib. 3.233, Michel 163.22 (Delos).

2. lend, advance, UPZ 123.26, Inscr.Prien. 108.109 (ii B.C.).

II. Pass., εὐχρηστεῖσθαι διά τινα to receive assistance through his means, D.S. 5.12; ὑπό τινος Plu. 2.185e.

2. to be in common use, of words, Eust. 964.21, etc.