Does the word "source" refer to the origin of something?
Yes, that's correct! "Source" is a noun meaning a place from which things come from or can be obtained. It is similar in meaning to "origin" and "birthplace" (but it cannot be used to refer to people, i.e. a person's origin). Ex: A wise man once said that human relationships are the source of happiness. Ex: The man tried to trace the virus back to its source. Ex: Dairy is a good source of calcium.
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