Pain induced by some external or internal irritant, by inflammation, or by injury to nerves, organs, or other tissues that interferes with the function, nutrition, or circulation of the affected part. It is usually traceable to a definite pathologic process.
A confessional is an enclosed stall in a church divided by a screen or curtain in which a priest sits to hear people confess their sins. Mitre. A mitre is a tall headdress worn by bishops and senior abbots as a symbol of office, tapering to a point at front and back with a deep cleft between.
That is why the Sacrament of Confession is sometimes called the Sacrament of Reconciliation. Whereas Confession stresses the action of the believer in the sacrament, Reconciliation stresses the action of God, who uses the sacrament to reconcile us to Himself by restoring sanctifying grace in our souls.