crossword (adj.)youdaoicibaDictYouDict[crossword 词源字典]
January 1914, from cross (adj.) + word (n.). The first one ran in the "New York World" newspaper Dec. 21, 1913, but was called word-cross.[crossword etymology, crossword origin, 英语词源]
crossword (n.)youdaoicibaDictYouDict
1925, short for crossword puzzle (q.v.).