4:156
وَبِكُفْرِهِمْ وَقَوْلِهِمْ عَلَىٰ مَرْيَمَ بُهْتَـٰنًا عَظِيمًا
wabikuf'rihim waqawlihim ʿalā maryama buh'tānan ʿaẓīman
and because they disbelieved and uttered a terrible slander against Mary,
And because of their (Jews) disbelief and uttering against Maryam (Mary السلام عليهما) a grave false charge (that she has committed illegal sexual intercourse);