communication (n.)youdaoicibaDictYouDict[communication 词源字典]
late 14c., from Old French comunicacion (14c., Modern French communication), from Latin communicationem (nominative communicatio), noun of action from past participle stem of communicare "to share, divide out; communicate, impart, inform; join, unite, participate in," literally "to make common," from communis (see common (adj.)).[communication etymology, communication origin, 英语词源]