subscription (n.)youdaoicibaDictYouDict[subscription 词源字典]
c. 1400, "piece of writing at the end of a document," from Middle French subscription (Modern French souscription) and directly from Latin subscriptionem (nominative subscriptio) "anything written underneath, a signature," noun of action from past participle stem of subscribere (see subscribe). Meaning "act of subscribing money" is from 1640s.[subscription etymology, subscription origin, 英语词源]