أَكْرَمَ — يُكْرِمُ — إِكْرَامًا belongs to Form IV (ifʿāl). It cannot be classed as an assimilated quadriliteral simply because its finite form contains additional letters: إِكْرَام and دَحْرَجَة are different verbal-noun patterns.
Recognising added letters and assigning a precise morphological category are two distinct steps. A single surface form does not resolve both.
That is why verbal-noun correspondence plays a decisive role in the source’s treatment of assimilation.
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Resemblance is not sufficient evidence
Mulḥaq bi-Rubāʿī: Definition, Two Groups and Nine Patterns
أَكْرَمَ — يُكْرِمُ — إِكْرَامًا belongs to Form IV (ifʿāl). It cannot be classed as an assimilated quadriliteral simply because its finite form contains additional letters: إِكْرَام and دَحْرَجَة are different verbal-noun patterns.
Recognising added letters and assigning a precise morphological category are two distinct steps. A single surface form does not resolve both.
That is why verbal-noun correspondence plays a decisive role in the source’s treatment of assimilation.