This is the 10894th most frequent Polish word.
ekranem
The Polish word "ekranem" means "screen" (instrumental case).
The word 'ekranem' is the instrumental case of 'ekran', used here to indicate the means or instrument of the action (the phone's screen as the object being looked at).
Patrzę na ekranem telefonu.
I am looking at the phone screen.
The word 'ekranem' in this case denotes the medium through which the interaction is taking place (the computer screen).
Rozmawialiśmy przez ekranem komputera.
We were talking through the computer screen.
The word 'ekranem' refers to the location or surface where something is displayed (the screen on which the image was seen).