αὐτοπροθύμως
From LSJ
οὐκ ἐν τῷ πολλῷ τὸ εὖ, ἀλλ' ἐν τῷ εὖ τὸ πολύ → good is not found in plenty but plenty in good, quality matters more than quantity
English (LSJ)
[ῡ], Adv. A voluntarily, EM173.8.
Greek (Liddell-Scott)
αὐτοπροθύμως: ἐπίρρ. ἐξ οἰκείας προθυμίας, λίαν προθύμως, Ἐτυμ. Μ. 173. 8.
Spanish (DGE)
voluntariamente, EM 173.8G.