英语词汇搞不懂，哪位高手知道啥意思？

Question

If we say that Old English was a language of full endings, Middle English was one of leveled endings.
这里《英语词汇学》里面的，谁知道这句话说得是什么？
从前文意思看，“ending”应该是单词的结尾。此句话前文是：
Middle English retained much fewer inflections. Endings of nouns and adjectives marking distinction of number, case and often of gender lost their distinctive forms. The same is true of the verb.

Answer 1

如果说古英语是一种语言的结束，那么中世纪英语则是其中一个层次的结束。

Answer 2

意思是： 你妈妈是用胎生你的