This paper investigates the derivation of the active participle from trilateral verbs in Arabic, focusing on the challenge of generalizing the rule used by philologists. We aim to establish a unified approach for deriving active participles from all trilateral verbs, disregarding specific verb aspects. This generalization significantly influences the advancement of computational dictionaries by simplifying lexical processing in natural language tools.
Furthermore, we introduce exclusion constraints for input verbs to refine our computational model’s accuracy. These constraints filter out irregularities that do not conform to the generalized rule, thereby enhancing the reliability of linguistic analyses. Additionally, we propose creating a derivative dictionary that integrates lexical semantics and morphophonological features extracted from input verbs. This derivative dictionary serves as a practical implementation of our theoretical framework, facilitating more precise lexical retrieval and computational analyses within Arabic linguistics.