αὐτοπροθύμως
From LSJ
στεφανηφορήσας καὶ ἱερατεύσας → having worn the crown and having had the priesthood
English (LSJ)
[ῡ], Adv. voluntarily, EM173.8.
Greek (Liddell-Scott)
αὐτοπροθύμως: ἐπίρρ. ἐξ οἰκείας προθυμίας, λίαν προθύμως, Ἐτυμ. Μ. 173. 8.
Spanish (DGE)
voluntariamente, EM 173.8G.