Absession
Absession is a term that can refer to a few different concepts depending on the context. In a general sense, it might be used to describe a strong, persistent interest or fascination with something. This could manifest as a hobby that occupies a significant amount of one's thoughts and time, or a deep-seated curiosity about a particular subject.
In some older or more specialized usages, "absession" could be a misspelling or archaic form of "obsession."
However, the term "absession" as a distinct and widely recognized concept is not well-established in common