projection的词源

英文词源

projection (n.)

late 15c., in alchemy, "transmutation by casting a powder on molten metal; 1550s in the cartographical sense "drawing of a map or chart according to scale," from Middle French projection, from Latin proiectionem (nominative proiectio), from past participle stem of proicere (see project (n.)). From 1590s as "action of projecting."

中文词源

projection：投射；放映

词根词缀： pro-前 + -ject-投,射 + -ion

该词的英语词源请访问趣词词源英文版：projection 词源，projection 含义。

projection：预测，投影，投影图

来自project,投掷，投射，-ion,名词后缀。