Prepared — Commanded that in the place where Jonah's booth stood, this spreading plant should spring up to be a shade when the gathered boughs were withered. To deliver — To give some ease to his mind.
Related Commentaries of Jonah 4:6
Jonah 4:6
6 And the LORD God prepared a gourd,a and made it to come up over Jonah, that it might be a shadow over his head, to deliver him from his grief. So Jonah was exceeding glad of the gourd.