Peepal tree is one of the trees worshipped in Hinduism, and the tree is associated with Bhagavan Srihari Vishnu. There is an interesting story as to how the Peepal tree got its name.
Legend has it that Pippalada Rishi performed intense austerities under the tree for garnering the attention of Shani Bhagavan.
Shani was impressed by the intense austerities and devotion of the Rishi.
The tree got the name Peepal after the Pippalada Rishi.
Shani also gave the rishi the boon that he will not torment those who are under the age of sixteen.