trigonometry的词源

英文词源

trigonometry (n.)youdaoicibaDictYouDict
"branch of mathematics that deals with relations between sides and angles of triangles," 1610s, from Modern Latin trigonometria (Barthelemi Pitiscus, 1595), from Greek trigonon "triangle" (from tri- "three" (see tri-) + gonia "angle" (see -gon)) + metron "a measure" (see meter (n.2)).

中文词源

trigonometry:三角学

tri-, 三,-gon,角,词源同 knee,heptagon,-metry,测量术。

该词的英语词源请访问找单词词源英文版:trigonometry 词源,trigonometry 含义。