الصوت العسير في اللغة العربية

الملخص EN

This study deals with the letter (dad).

The effort concentrates in this study on all sides of that letter, direct and indirect.

For example: accusing it with stuburn, indivdulity in the Arabic linguistical system, definition its way out, mention its ledges, description its creation, After that look out colored phonetics, free and halted to (dad), analise it according to temperory linguistic enlture.

The study showed that (dad) letter is stubborn but not imposible.

And Arabic language does not itemize it.

It us the most changeable letter in Arabic language, and so its changes increased and extended.

The total changes and free varied coloring phonetics to that sound (dad), either justificated or not, it reached fourteen changes plus limited changes (philiulogical) assimilated in contrast, similarity, and incorporation.