حَسُنَ — حَسَنٌ؛ صَعُبَ — صَعْبٌ
The intransitive verbs ḥasuna and ṣaʿuba underlie descriptive ḥasan and ṣaʿb. These are not passive participles.
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The Verbal Root and Meaning
Ṣifah Mushabbahah: Stable Qualities, Government and 18 Patterns
حَسُنَ — حَسَنٌ؛ صَعُبَ — صَعْبٌ
The intransitive verbs ḥasuna and ṣaʿuba underlie descriptive ḥasan and ṣaʿb. These are not passive participles.