ما إعراب يوم يفر المرء من أخيه

The content discusses the grammatical analysis of the phrase “يوم يفر من أخيه” which means “the day when he runs away from his brother”. The word “يوم” is a time adverb, “يفر” is a present verb, and “من أخيه” is a prepositional phrase with “من” as a preposition and “أخيه” as an object of the preposition. The word “أخيه” is in the genitive case indicated by the letter “ياء” because it is one of the five nouns that take this form.