exordium
/ekˈsɔːdɪəm/noun
( pl. exordiums或exordia)
- formal the beginning or introductory part, especially of a discourse or treatise〈正式〉（尤指讲话或论文的）绪言, 绪论。
派生词
exordial
adjective词源
late 16th cent.: from Latin, from exordiri 'begin', from ex- 'out, from'+ordiri 'begin'.