What does the phrase 'His decease was an accomplishment' mean?

'His decease was an accomplishment' signifies that Christ's death is not merely a tragic event but an ordered fulfillment of God's redemptive purpose. The Greek term for decease, akin to 'exodus,' reflects the salvific journey Christ undertook to liberate His people from sin and death. This understanding contrasts worldly views of death as defeat; in Christ’s case, His death leads to life and salvation for those chosen by God, thus revealing the grace and efficacy of the cross as central to Reformed theology.