Meaning of Ẹ̀san
Revenge. Payback. Recompense.
Esan, (a noun) is the spiritual concept of cause and effect, karma. Its broader than "revenge". It is getting paid back as a reward and/or consequence of an individual/group action(s). "To every action, there is an equal and opposite reaction"
Glossẹ̀ - [deverbalising prefix]
san - pay