Only here in the New Testament. Compare the kindred verb συγκατατίθεμαι to consent, Luk 23:51. Lit., a putting down or depositing along with one. Hence of voting the same way with another, and so agreeing.
Read, as Rev., we are.
God hath said, etc.
The quotation is combined and condensed from Lev 27:11, Lev 27:12; and Eze 37:27, after the Septuagint. Paul treats it as if directly affirmed of the christian Church, thus regarding that Church as spiritually identical with the true church of Israel.