حَتَّى صَفِرَتِ الرَّاحَةُ وَقَرِعَتِ السَّاحَةُ
Until the palm was emptied and the courtyard became deserted.
Ṣafirat al-rāḥah / qariʿat al-sāḥah pair short clauses: the palm is empty, and the courtyard is desolate. The endings sound alike and the verbs are balanced, while the meaning shifts from an individual's empty hand to the household's abandonment.
The sequence gives poverty both a bodily and a domestic image. Context also resolves polysemy: al-rāḥah here means the palm, not rest. Both the sound and the order of images contribute to the rhetorical effect.