caudalward
/ˈkɔːdəlwərd/Definitions
1. adverb
Moving or directed in the direction of the caudal end or tail of an organism, especially an animal.
“The fish swam caudalward to escape the predator.”
2. noun
The caudal direction or direction towards the tail of an organism.
“The caudalward orientation of the turtle’s shell is crucial for its survival.”