The term 'SOCK END' can be broken down into two crossword solutions: EROO (4 letters) and TOE (3 letters). EROO is an acronym for 'End of Roll Out', which is a term used in the textile industry to describe the end of a fabric roll. TOE is a word that refers to the part of the foot at the end of the leg. Together, these two words form the term 'Sock End', which is the end of a sock where the TOE is located.