immemorial

/ˌɪməˈmɔːriəl/
📚 25566 GRE
If you say that something has been happening since time immemorial or from time immemorial, you are emphasizing that it has been happening for many centuries. 自古伊始; 自远古以来

adjective [原级] 远古的,古老的;无法追忆的

It has remained virtually unchanged since time immemorial. 它几乎自古以来都维持不变。

后缀: al 【adjective】 表示具有某种性质的 - indicating pertaining to or characterized by 原词: immemorial 是通过后缀 【al】 构成的派生词
im(不) + memor(记住) + ial → 在记忆之外的 → 太古的
单词造句: