Verbal Nouns in the Derived Yāʾ-Final Patterns

Eight Short Paradigms: Lafīf and Defective Verbs with Morphological Explanations

أَغْنَى — إِغْنَاءٌ
Translation: He made sufficient — making sufficient.
اِلْتَقَى — اِلْتِقَاءٌ
Translation: He met — meeting.

Derived formPerfectImperfectVerbal noun
Form IVأَغْنَىيُغْنِيإِغْنَاءٌ
Form VIIIاِلْتَقَىيَلْتَقِياِلْتِقَاءٌ

Both maṣdars end in hamzah after alif, but their prefixes and underlying derivational patterns differ. Weakening does not erase the distinct Form IV and Form VIII markers.