👉 Banksian is a term used in philosophy and mathematics to describe an object or concept that is fundamentally non-physical, abstract, and cannot be directly observed. It refers to something that does not exist physically but is thought to exist through its effects on others. The term comes from the Greek words "banksi" (meaning "bank") and "aion" (meaning "thing"). In this context, a bankian is an object or concept that can only be directly observed by means of