stem from (something)
To come, result, or develop from something else. My fear of the water stems from the time my brother nearly drowned me when we were playing in our cousin's pool as kids. The poverty in this area stems from the closure of the coal mine, the largest single employer in the entire county.
stem from something
[for an event] to result from something. These problems all stem from your mismanagement. Our difficulties stem from the bad weather we have been having.
To have something as an origin or cause; have developed from something: Most prejudice stems from fear.