ἄνταθλος
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)
ον,
A contending against, rivalling, τινός AP12.68 (Mel.).
German (Pape)
[Seite 243] Nebenbuhler, νίκης Mel. 14 (XII, 68).