This is the 102nd most frequent Danish word.
gennem
"Through" or "across."
'Gennem' is used here to indicate movement through a space.
Jeg går gennem skoven.
I walk through the forest.
'Gennem' expresses means or medium of understanding.
Jeg forstår det nu gennem din forklaring.
I understand it now through your explanation.
'Gennem' shows the direction of an action (the light passing through).