Rule 8 concerns a plural in the فُعُولٌ measure formed from a wāw-final weak noun. The book describes converting the two adjacent wāws to yāʾ and putting kasra before them.
دُلُوٌّ → دِلِيٌّ
Translation: An underlying plural configuration → the resulting plural of “bucket.”
This involves two linked adjustments: replacement of the wāws and alteration of the preceding vowel. Mentioning only one is incomplete.
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Rule 8: A Fuʿūl Plural of a Wāw-Final Weak Noun
Miscellaneous Morphological Explanations: Eight Rules for Wāw, Yāʾ, Alif and Hamzah
Rule 8 concerns a plural in the فُعُولٌ measure formed from a wāw-final weak noun. The book describes converting the two adjacent wāws to yāʾ and putting kasra before them.
دُلُوٌّ → دِلِيٌّ
Translation: An underlying plural configuration → the resulting plural of “bucket.”
This involves two linked adjustments: replacement of the wāws and alteration of the preceding vowel. Mentioning only one is incomplete.