وَحُكْمُهُ: أَنْ لَا يَخْتَلِفَ آخِرُهُ بِاخْتِلَافِ الْعَوَامِلِ.
Translation: The rule is that its final form does not change as the governing syntactic factor changes.
A governor (ʿāmil) may change syntactic function, but it does not change the inherent final form of a mabnī noun.
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The indeclinable noun: definition, rule and eight classes
وَحُكْمُهُ: أَنْ لَا يَخْتَلِفَ آخِرُهُ بِاخْتِلَافِ الْعَوَامِلِ.
Translation: The rule is that its final form does not change as the governing syntactic factor changes.
A governor (ʿāmil) may change syntactic function, but it does not change the inherent final form of a mabnī noun.