This is the 13720th most frequent German word.
einzuschlagen
"Einzuschlagen" means "to smash in," "to strike," or "to take a specific direction/path."
In this sentence, 'einschlagen' is used figuratively to mean 'to embark' or 'to choose' a path or direction.
Er beschloss, einen neuen Karriereweg einzuschlagen.
He decided to embark on a new career path.
Here, 'einschlagen' is used literally to mean 'to smash or break something', specifically the glass.
Sie musste mitten in der Nacht die Scheibe einschlagen, um ins Haus zu gelangen.
She had to break the glass during the night to enter the house.
In this example, 'einschlagen' metaphorically means 'to take' or 'to adopt' a strategy or approach.