The most common and most likely answer to this crossword clue is the 7 letter word STEMMED
I've seen this crossword clue in Independent
S
T
E
M
M
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D
Buddy explains!

The straight part
We know that "Originated" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case originated = stemmed.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does STEMMED mean?
STEMMED verb- To remove the stem from.
- To be caused or derived; to originate.
- To descend in a family line.
- To direct the stem (of a ship) against; to make headway against.
- To hit with the stem of a ship; to ram.
- To ram (clay, etc.) into a blasting hole.
- To stop, hinder (for instance, a river or blood).
- To move the feet apart and point the tips of the skis inward in order to slow down the speed or to facilitate a turn.
- Having a stem.