I think you mean fal yatafaddal masykuran فليتفضل مشكورًا? It means may he please (do something), it's very formal.

aslam alakum Is the words written soفليتفضل ما سطيرو or فليتفضل من سيطرو the meaning / To let the praises of / please where you see this words ??? the name of the book