over的意思

I was over at his house after school today

老师好，请问句中be over的意思是，查字典没找到

I was over at his house after school today.
【翻译】今天放学后我去了他家。

先看这句，应该了解：I was at his house. 我曾在他家待过。
over 是个“位移副词”。表示：从一边至另一边，从一方至另一方。这里的意思是“从学校到他家”，然后用 at his house，说明在他家待过。意思就是如此来的。