This is the 320th most frequent Hebrew word.
לפתוח
"To open."
Here, 'לפתוח' (to open) indicates physically opening an object, a primary and literal usage.
אני רוצה לפתוח את החלון.
I want to open the window.
'לפתוח' here takes on a metaphorical meaning, referring to starting or commencing an activity.
היום אנו נפתח את הספר הראשון בסדרה.
Today we will begin the first book in the series.
In this example, 'לפתוח' is used figuratively to denote resuming or reinitiating a process that had been previously concluded.