The Greek noun nekrōsis (νέκρωσις) means a dying, a putting to death, a process of deadening or mortification. It appears twice in the NT: in 2 Corinthians 4:10 ("always carrying in the body the dying of Jesus") and Romans 4:19 ("considering the deadness of Sarah's womb"). The word captures both the process of dying and its completed result.
2 Corinthians 4:10 contains Paul's stunning paradox of apostolic existence: "We always carry around in our body the nekrōsis of Jesus, so that the life of Jesus may also be revealed in our body.\” The apostle's suffering, persecution, and bodily weakness are the nekrōsis of Jesus being re-enacted in human flesh — and through this dying, resurrection life is manifested.
Romans 4:19 uses nekrōsis differently but equally powerfully: Abraham considered the nekrōsis of Sarah's womb — the deadness, the biological impossibility — and yet believed. Faith in this context is not ignorance of nekrōsis but trust in God who raises the dead. Both uses of nekrōsis meet at the resurrection: dying is the prerequisite of life; the body's nekrōsis is the canvas for God's life-giving power.