This is the 298th most frequent Hebrew word.
שלוש
The Hebrew word "שלוש" means "three" in English.
Here, 'שלוש' is used as the numeral for three (feminine).
אני אוכלת שלוש עוגיות.
I am eating three cookies.
In this sentence, 'שלוש' describes the duration in years, again used as a feminine numeral.
שלוש שנים עברו מאז הביקור האחרון.
Three years have passed since the last visit.
This usage illustrates 'שלוש' as a count for items in the box, adhering to the feminine plurality.