Graece
From LSJ
λύχνον μεθ᾿ ἡμέραν ἅψας περιῄει λέγων “ἄνθρωπον ζητῶ” → He lit a lamp in broad daylight and said, as he went about, “I am looking for a human”
Latin > English (Lewis & Short)
Graece: adv., v. Graeci, II. A.. 1.
Latin > French (Gaffiot 2016)
Græcē, en langue grecque : Cic. de Or. 1, 155 ; Off. 2, 115 ; optime Græce scire Cic. de Or. 2, 265, savoir le grec à la perfection ; optume Græce respondere Cic. de Or. 2, 75, répondre en excellent grec.