ἐθελοντηδόν
From LSJ
Νέµουσι δ' οἴκους καὶ τὰ ναυστολούµενα ἔσω δόµων σῴζουσιν, οὐδ' ἐρηµίᾳ γυναικὸς οἶκος εὐπινὴς οὐδ' ὄλβιος → They manage households, and save what is brought by sea within the home, and no house deprived of a woman can be tidy and prosperous
English (LSJ)
Adv.
A voluntarily, spontaneously, Th.8.98, D.C.53.8; f.l. for sq., Plb.6.31.2.
German (Pape)
[Seite 718] freiwillig, von freien Stücken, Thuc. 8, 98 u. Folgde, wie D. C. 53, 8.
Greek (Liddell-Scott)
ἐθελοντηδόν: ἐπίρρ., ἑκουσίως, Θουκ. 8. 9, Πολύβ. 6. 31, 2.