bo tree

noun

ˈbō- 

: peepul

… a sacred 2,200-year-old bo tree said to have grown from a sapling of the tree under which Buddha found enlightenment …

—Time Magazine

Word History

Etymology

Sinhalese bō, from Sanskrit bodhi enlightenment; from Buddha receiving enlightenment under this tree — more at bid entry 1

First Known Use

1820, in the meaning defined above