Forsaking (kataleipontes). Present active participle of kataleipō (continually leaving) or katalipontes (second aorist active), having left.
The right way (eutheian hodon). “The straight way” of 1Sa 12:23 (cf. Mat 7:13. for this use of hodos), “the way of truth” (2Pe 2:2).
They went astray (eplanēthēsan). First aorist passive indicative of planaō, like Mar 12:24.
The way of Balaam (tēi hodōi tou Balaam). Associative instrumental case after exakolouthēsantes, for which verb see 2Pe 1:16; 2Pe 2:2. These false teachers, as shown in 2Pe 2:13, followed the way of Balaam, “who loved the hire of wrong-doing” (hos misthon adikias ēgapēsen).