Takhfīf is phonetic easing. Hamzated words may undergo more than one kind of change.
Ibdāl substitutes a suitable weak letter for hamzah.
Vowel transfer plus elision moves the hamzah's vowel to a preceding quiescent letter and then drops hamzah.
Elision removes hamzah in certain specified forms.
Assimilation merges like sounds into a doubled sound; it is not the same operation as substitution.
The underlying root classification remains relevant even after its pronounced form changes.
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Principal Types of Hamzah Lightening
Rules of Hamzated Forms: Lightening, Substitution, Elision and Short Paradigms
Takhfīf is phonetic easing. Hamzated words may undergo more than one kind of change.
Ibdāl substitutes a suitable weak letter for hamzah.
Vowel transfer plus elision moves the hamzah's vowel to a preceding quiescent letter and then drops hamzah.
Elision removes hamzah in certain specified forms.
Assimilation merges like sounds into a doubled sound; it is not the same operation as substitution.
The underlying root classification remains relevant even after its pronounced form changes.