وَقَفِيزَانِ بُرًّا
Translation: And two qafīz measures of wheat.
وَ: conjunction.
قَفِيزَانِ: dual noun coordinated with the earlier nominative subject; nominative with alif; qafīz is a measure.
بُرًّا: accusative tamyīz specifying the measured substance, wheat.
The alif marks the nominative dual, but burran is a separate accusative clarifier.
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At-Tamyīz: Clarifying Quantities and Sentence Relations
وَقَفِيزَانِ بُرًّا
Translation: And two qafīz measures of wheat.
وَ: conjunction.
قَفِيزَانِ: dual noun coordinated with the earlier nominative subject; nominative with alif; qafīz is a measure.
بُرًّا: accusative tamyīz specifying the measured substance, wheat.
The alif marks the nominative dual, but burran is a separate accusative clarifier.