The word "more catercornered" is spelled with a unique pronunciation that can be explained using IPA phonetic transcription. The first syllable "ca" is pronounced as /kə/, the second syllable "ter" is pronounced as /tɚ/, and the third syllable "cor" is pronounced as /kɔr/. The word ends with the suffix "-ed" which is pronounced as /əd/. The spelling of this word may appear complicated, but it simply means "more diagonal or crooked than before".
The term "more catercornered" is likely a variation or extension of the word "catercornered" (also spelled catty-cornered or kitty-cornered). The word "catercornered" is derived from the Old French word "quatre" meaning "four" and the English word "corner". It was originally used to describe a diagonal or oblique position or direction, specifically referring to the corners of a square or rectangular object.
The addition of "more" in the expression "more catercornered" simply indicates a greater degree or extent of being diagonal or oblique. It is a way of emphasizing that something is even more slanted or positioned at a sharper angle in comparison to something else.