فَمَا بَرِحَ يَبِيعُهُ فِي سُوقِ الْهَضْمِ وَيُتْلِفُ ثَمَنَهُ فِي الْخَضْمِ وَالْقَضْمِ
He kept selling it at a loss and consuming the proceeds in eating.
Haḍm suggests loss or underpricing, khaḍm eating soft food with a full mouth, and qaḍm biting or chewing harder food.
The similar sounds compress a whole economic complaint into a memorable phrase: sell cheaply, consume quickly, and leave nothing. It is a good example of near-paronomasia.