volunteer
From LSJ
διὸ καὶ μεταλάττουσι τὴν φυσικὴν χρῆσιν εἰς τὴν παρὰ φύσιν αἱ δοκοῦσαι παρθένοι τῶν εἰδώλων → therefore those professing to be virgins of the idols even change the natural use into the unnatural (Origen, commentary on Romans 1:26)
English > Greek (Woodhouse)
substantive
as a volunteer: use adv. P. ἐθελοντί (Thuc. 8, 2), ἐθελοντηδόν (Thuc. 8, 98).
uninvited: use adj., P. ἀπαράκλητος (Thuc. 2, 98).
verb transitive
offer: P. and V. ἐπαγγέλλεσθαι.
Absol., P. and V. ὑφίστασθαι; see undertake.