criss-crossyoudaoicibaDictYouDict[criss-cross 词源字典]
"A pattern of intersecting straight lines or paths", Early 17th century (denoting a figure of a cross preceding the alphabet in a hornbook): from Christ-cross (in the same sense in late Middle English), from Christ's cross. The form was later treated as a reduplication of cross.[criss-cross etymology, criss-cross origin, 英语词源]