But God, by the same power which caused the gourd suddenly, and to Jonah's great joy, to spring, grow, and spread itself as a canopy, prepared also a worm, what, is not said, some contemptible grub that was not seen by Jonah; which early next morning, i.e. by break of day, bit the root, so that the whole gourd suddenly withered.
Related Commentaries of Jonah 4:7
Jonah 4:7
7 But God prepared a worm when the morning rose the next day, and it smote the gourd that it withered.