πανῖτις

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

Russian (Dvoretsky)

πᾱνῖτις: ῐδος ἡ дор. = πηνῖτις.