Inscrutable

The word “inscrutable” means difficult to understand or interpret, often due to being mysterious or enigmatic. It describes something that is not easily fathomable or comprehensible.

Interesting fact: The word “inscrutable” originated from the Latin word “inscrutabilis,” which means “not easily investigated or searched into.” It entered the English language in the early 15th century and has been used to describe things that are puzzling or impenetrable ever since.