A word cited in isolation can be stopped upon: Zaydْ illustrates this.
In جَاءَ زَيْدٌ, it is fully declinable.
By contrast, هَؤُلَاءِ keeps its built ending across grammatical positions.
Keep the book’s actually fixed / potentially declinable distinct from inherently indeclinable.
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The indeclinable noun: definition, rule and eight classes
A word cited in isolation can be stopped upon: Zaydْ illustrates this.
In جَاءَ زَيْدٌ, it is fully declinable.
By contrast, هَؤُلَاءِ keeps its built ending across grammatical positions.
Keep the book’s actually fixed / potentially declinable distinct from inherently indeclinable.