efficienter
From LSJ
φιλοκαλοῦμέν τε γὰρ μετ' εὐτελείας καὶ φιλοσοφοῦμεν ἄνευ μαλακίας → our love of what is beautiful does not lead to extravagance; our love of the things of the mind does not makes us soft
Latin > English (Lewis & Short)
effĭcĭenter: adv.,
I efficiently, v. efficio, P. a. 1.
Latin > French (Gaffiot 2016)
effĭcĭenter, avec une vertu efficiente : Cic. Fato 34.