ἐθελουργός
From LSJ
ἄλογον δὴ τὸ μήτε μάχης ἄρξασθαι μήτε τοὺς φίλους φυλάξαι, ἐὰν ὑπό γε τῶν βαρβάρων ἀδικῆσθε → It is irrational neither to begin battle nor to guard the friends, if you are ever wronged by the foreigners
English (LSJ)
όν,
A willing to work, indefatigable, X.Eq.10.17, Ael.NA4.43; τὸ ἐ. Ph. 2.448. Adv. -γῶς Poll.3.121.
German (Pape)
[Seite 718] willig zur Arbeit, unverdrossen; Xen. de re equ. 10, 17 von Pferden; Ael. H. 4, 43 von der Ameise; öfter. – Adv., Poll. 3, 121.