ἀρχαϊκῶς
From LSJ
Περὶ τοῦ ἐπέκεινα τοῦ νοῦ κατὰ μὲν νόησιν πολλὰ λέγεται, θεωρεῖται δὲ ἀνοησίᾳ κρείττονι νοήσεως → On the subject of that which is beyond intellect, many statements are made on the basis of intellection, but it may be immediately cognised only by means of a non-intellection superior to intellection
French (Bailly abrégé)
adv.
à la manière antique, à l’ancienne mode.
Étymologie: ἀρχαϊκός.
Russian (Dvoretsky)
ἀρχᾱϊκῶς: по-старинному, на старинный лад Arst. etc.