«فَإِنْ يَكُنْ غَاظَهَا تَوَهُّمُهَا»
If what angered her was her assumption,
«أَنَّ بَنَانِي بِالظُّلْمِ تَكْتَسِبُ»
That my fingers earn through injustice …
*Banān* denotes fingertips. By making fingers “earn,” the verse uses part of the hand to evoke human action.
He reclassifies her charge as a belief or suspicion rather than proven wrongdoing. Whether that characterization is accurate is precisely what the judge must determine.