- schema (n.)
[schema 词源字典]
- plural schemata, 1796, in Kantian philosophy ("a product of the imagination intermediary between an image and a concept"), from Greek skhema (see scheme (n.)). Meaning "diagrammatic representation" is from 1890; general sense of "hypothetical outline" is by 1939.[schema etymology, schema origin, 英语词源]
- cartogram
- "A map on which statistical information is shown in diagrammatic form", Late 19th century: from French cartogramme, from carte 'map or card' + -gramme (from Greek gramma 'thing written').