Yusuf • EN-TAFSIR-MAARIF-UL-QURAN
﴿ قَالُوا۟ فَمَا جَزَٰٓؤُهُۥٓ إِن كُنتُمْ كَٰذِبِينَ ﴾
“[The Egyptians] said: "But what shall be the requital of this [deed] if you are [proved to be] liars?"”
In verse 74, it was said: قَالُوا فَمَا جَزَاؤُهُ إِن كُنتُمْ كَاذِبِي ، that is, the royal staff said to them: If it stood proved that they were liars, what do they suggest should be the punishment for the thef?