νεωτερισμός
From LSJ
τὸ γὰρ μυστήριον ἤδη ἐνεργεῖται τῆς ἀνομίας· μόνον ὁ κατέχων ἄρτι ἕως ἐκ μέσου γένηται. (2Thess 2:7) → For the mystery of lawlessness is already at work — just at work until the one who is now constraining it is taken out.
English (LSJ)
ὁ,
A attempt to change; esp. in bad sense, innovation, revolutionary movement, Pl.R.422a, 555d, D.17.15, etc.: pl., Pl.Lg.758c; ἔφορος ἐπὶ τῶν ν., title of official at Sparta, BSA27.234 (ii A.D.). 2 generally, change, as of diet, Sabin. ap. Gal.17(1).562.
Greek (Liddell-Scott)
νεωτερισμός: ὁ, ἐπιχείρησις πρὸς μεταβολήν· ἰδίως ἐπὶ κακῆς σημασίας, κίνησις, στάσις, rerum novarum studium, Πλάτ. Ρητ. 422Α, 555D, Δημ. 215· 26, κλ.· ἐν τῷ πληθ. Πλάτ. Νόμ. 758C· πρβλ. νεωτερίζω.