Parallel
2 Corinthians 8:6
Patriarchal Greek New Testament (1904) · Berean Standard Bible
εἰς τὸ παρακαλέσαι ἡμᾶς Τίτον, ἵνα καθὼς προενήρξατο οὕτω καὶ ἐπιτελέσῃ εἰς ὑμᾶς καὶ τὴν χάριν ταύτην.
So we urged Titus to help complete your act of grace, just as he had started it.