إِنَّ شَجَرَتَ ٱلزَّقُّومِ
Inna shajarataz zaqqoom
Indeed, the tree of Zaqqum
The sentence started here needs the line after it to finish, so the tree stands alone for a beat before anything is said of it. Zaqqum is named three times across the whole book, each time as something eaten, and 37:64 puts its roots in the depths of the fire. The three lines after it stay inside the vocabulary of cooking: boiling, a belly, scalding water.