This is the 76th most frequent Persian word.
حتی
"Even" or "until."
The word "حتی" is used here to introduce a condition and emphasize that the action will take place under the stated condition.
حتی اگر باران ببارد، من به پیادهروی خواهم رفت.
Even if it rains, I will go for a walk.
In this sentence, "حتی" emphasizes the inclusion of elements that might be unexpected or minor.
او همه چیز درباره ما میداند، حتی رازهای کوچکمان.
He knows everything about us, even our little secrets.
Here, "حتی" is used to highlight the surprising or significant possibility of an event resulting from the initial condition.