This is the 10090th most frequent Japanese word.
達し
"達し" (たっし) means "notice," "announcement," or "attainment."
In this sentence, '達し' refers to achieving or reaching something, specifically a goal or target.
目標に達しました。
I reached the goal.
Here, '達し' is used to indicate that information has been communicated or reached a certain party.
情報が官に達した。
The information reached the authorities.
The word '達し' in this sentence implies progression or reaching a significant degree or level.