κἀλγεινῶς

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 workjust at work until the one who is now constraining it is taken out.

Source

French (Bailly abrégé)

crase poét. p. καὶ ἀλγεινῶς.