You have renounced the covenant with your servant and have defiled his crown in the dust.
NMVyoui have made void the covenant of youri servant: youi have profaned his crown [by casting it] to the ground.
OJB[89:40]Thou hast made void the Brit of Thy eved; Thou hast profaned his nezer (diadem) to the ground.
T4TIt seems that you have broken the agreement that you made with your servant, David; it seems as though you have signaled that he is no longer the king by throwing his crown into the dust/dirt.