inception
n. （机构、组织等的）开端，创始
例句
The club has grown rapidly since its inception in 1990.
这个俱乐部自从1990年成立以来发展迅速。
《牛津词典》
Since its inception the company has produced 53 different aircraft designs.
该公司自成立以来已经设计出53种不同的飞行器。
《柯林斯英汉双解大词典》
The issue is not development time, but rather the full time between project inception and delivery.
这个问题不是开发时间，而是从项目开始到交付的全部时间。
