Surah An-Nisa, ayah 156

وَبِكُفۡرِهِمۡ وَقَوۡلِهِمۡ عَلَىٰ مَرۡيَمَ بُهۡتَٰنًا عَظِيمٗا ١٥٦

Wabikufrihim waqawlihim 'alā maryama buhtānan 'azīmā

And [We cursed them] for their disbelief and their saying against Mary a great slander²³²