difficiliter
From LSJ
προγράψαντες οὖν τά τε θεωρήματα καὶ τὰ ἐπιτάγματα τὰ χρεῖαν ἔχοντα εἰς τὰς ἀποδείξιας αὐτῶν μετὰ ταῦτα γραψοῦμές τοι τὰ προκείμενα → having therefore written at the beginning the theorems and the postulates that are necessary for their proofs, we will then write out for you the propositions
Latin > English (Lewis & Short)
diffĭcĭlĭter:
I adv., with difficulty; v. difficilis fin., no. γ.
Latin > French (Gaffiot 2016)
diffĭcĭlĭtĕr, difficilement rare au positif] : Cic. Ac. 2, 50