- notion (n.)
[notion 词源字典]
- late 14c., from Latin notionem (nominative notio) "concept, conception, idea, notice," noun of action from past participle stem of noscere "come to know" (see know). Coined by Cicero as a loan-translation of Greek ennoia "act of thinking, notion, conception," or prolepsis "previous notion, previous conception."[notion etymology, notion origin, 英语词源]