As you know a diphthong (or in Persian vake ye morakkab)
refers to situations where the sound of two vowels are
inseparably glued together somehow.
The two most common diphthongs in Persian are ey and ow like
in Peyman, peyk, nowruz, Mowlavi, and so on.
I was wondering today whether the mixture of i and â in siâh and
giâh also form a diphthong. That is siâh (black) giâh (plant).
Of course if you write these words as siyâh and giyâh then
the question is not relevant anymore.
I can put my question in a different way: does giâh have two
syllables or just one?
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