Microsoft search yields: “Cattywampus is a curious colloquial American word doubling as meaning “diagonal” and “askew”. The etymology is a mongrel. The “diagonal” bit may have been influenced by catty-corner, and wampus could have been southern slang for “flail”, but then there’s a fictional creature called the wampus cat and another called catamount.”
Cattywampus could, if we aren’t careful, result in a category [see Word of the Day from February 11, 2020…..]