Learner's definition of ORIGIN
1 : the point or place where something begins or is created : the source or cause of something
The origin of this custom/tradition is not known. = The origins of this custom/tradition are not known. [=no one knows how this custom/tradition started]
What is the origin [=etymology] of that word?
The school had its origin [=the school was created] with a large gift from a donor.
The story had its origin [=originated] in the 19th century.
The English word “rendezvous” is French in origin. [=the English word comes from French]
The infection was bacterial in origin. [=the infection was caused by bacteria]
The wine is named for its place of origin. [=the place where it was made/created]
The game is of recent origin. [=the game was created recently]
a disease of unknown origin [=a disease whose origin is not known]
2 : the place, social situation, or type of family that a person comes from