because your legs look like 1 banana in a banana split.
a bisector splits an angle into to congruent angles(also called an angle bisector)
When ballet dancers do the splits in the air it is usually called a spilt leap or a center leap.
FISSION
Horcrux
It is called a fissure
When an atom splits, its called fission Heat comes from fission
Craks, crater
Nuclear fission
slateschist
The parting of the sea.
cleavage
CLEAVAGE