adverbium
From LSJ
Ἀναξαγόρας δύο ἔλεγε διδασκαλίας εἶναι θανάτου, τόν τε πρὸ τοῦ γενέσθαι χρόνον καὶ τὸν ὕπνον → Anaxagoras used to say that we have two teachers for death: the time before we were born and sleep | Anaxagoras said that there are two rehearsals for death: the time before being born and sleep
Latin > English (Lewis & Short)
ad-verbĭum: ii, n. verbum, in gram.,
I an adverb, ἐπίρρημα>; acc. to Priscian's expl.: pars orationis indeclinabilis, cujus significatio verbis adicitur, p. 1003 P.; Quint. 1, 5, 48; 50; 9, 3, 53; 11, 3, 87 al.