iota

🇬🇧/aɪˈəʊtə/ 🇺🇸/aɪˈoʊtə/📚 24413GRE
If you say that there is not an iota or not one iota of something, you are emphasizing that there is not even a very small amount of it. 一点儿; 极小的量

noun [专属名词]极微小;希腊语的第九个字母

He's never shown an iota of interest in any kind of work.
他对任何一种工作都没有表现出一点儿兴趣。

noun [专属名词](Iota)人名;(日)庵田(姓);(希、罗)约塔

I don't think that would help one iota.
我认为那样毫无帮助。

来自希腊语第九个字母, 相当于英语中的字母i, 因其位置靠后而引申为“极少量”
单词造句:
网友用“Iota”造句精选
The future cardinal was convinced, even then, that he had not abandoned one iota of his Jewishness. 即使在那时,这位未来的红衣主教仍然坚信,他丝毫没有放弃自己的犹太身份。
Our credit standards haven't changed one iota. 我们的信贷标准从未有丝毫改变。