This is the 13659th most frequent German word.
eindringen
"To penetrate" or "to intrude."
The word 'eindringen' in this sentence refers to the process of seeping or penetrating into a space.
Das Wasser begann durch die Ritzen einzudringen.
The water began to seep through the cracks.
Here, 'eindringen' describes the act of intruding or trespassing into a secure location.
Die Polizei untersucht, wer versucht hat, ins Gebäude einzudringen.
The police are investigating who attempted to break into the building.
In this context, 'eindringen' is used metaphorically to describe interference or invasion into one's personal mental space.