The hypostatic union (sort of) explained

For Torrance, the union of God and man in Christ is the basic fact of the Christian faith. The ‘hypostatic union’ (from hypostasis, the Greek word used for ‘person’) is the union of God and man in the one person of Christ, or the doctrine of ‘two natures (divine and human) in one person’. The hypostatic union established in the incarnation means that there is now a permanent union of God and man in the person of Christ. In him, in his living person, God and man are now united for all time. That means that Jesus, in his one person, is the living bond between God and man, the living heart of revelation and reconciliation and indeed himself the fact of revelation and reconciliation.—T. F. Torrance, Incarnation: The Person and Life of Christ, xxxiv