This is the 947th most frequent Hebrew word.
באחת
"At once" or "in one instance."
Here, "באחת" means "all at once" or "suddenly," denoting an immediate and singular decision.
החלטתי באחת לעזוב את העיר.
I decided all at once to leave the city.
In this sentence, "באחת" means "at one," specifying the exact time.
הישיבה תתחיל באחת בדיוק.
The meeting will start at one o'clock precisely.
Here, "באחת" signifies "in unity" or "seamlessly," indicating harmonious integration.