efficienter
From LSJ
ὁμοῦ ἦν καὶ ἔχειν τὴν πόλιν καὶ τὸ γένος ὅλον μετὰ τῆς πόλεως → it was much the same thing to have the city and to have the whole race together with the city
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.