يَبِيعُ carries a long ī vowel. Adding the feminine-plural ending leads to يَبِعْنَ; the long vowel disappears because of the structure of the form, not because the meaning changes.
Word / formMeaning / explanation
يَبِيعُhe sells.
يَبِعْنَthey (women) sell.
يُبَاعُit is sold.
يُبَعْنَthey (feminine) are sold.
Do not delete the feminine-plural nūn under the rule for the inflectional nūn; it marks a different grammatical relationship.
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Complete Paradigms of the Hollow Yāʾ Verb: Bāʿa–Yabīʿu
يَبِيعُ carries a long ī vowel. Adding the feminine-plural ending leads to يَبِعْنَ; the long vowel disappears because of the structure of the form, not because the meaning changes.
Word / formMeaning / explanation
يَبِيعُhe sells.
يَبِعْنَthey (women) sell.
يُبَاعُit is sold.
يُبَعْنَthey (feminine) are sold.
Do not delete the feminine-plural nūn under the rule for the inflectional nūn; it marks a different grammatical relationship.