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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
source source
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "source source" is not correct and does not convey a clear meaning in written English.
It may be intended to refer to a source of information, but the repetition is unnecessary and confusing. Example: "Please provide the source source for your data, as I need to verify the information."
⚠ May contain grammatical issues
Science
News & Media
Wiki
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
21 human-written examples
Source: Source: The Astronomical Almanac for the Year 2009 20077).
Encyclopedias
(source: Source: constructed by the authors).
(1) Source: source of the sound (Table 7).
In other cases, determining parameters in the generation of optical flow such as the light source (source, intensity, variation, etc).
"If [users] are familiar with source code they can review the open source source code and see for themselves the code is ok.
News & Media
First I'll try to answer the tough question as to why, pray tell, you should give a damn about open source source, hereafter referred to as OSS.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
39 human-written examples
and secondary (other people's interpretations and explanations of the primary source) sources.
Wiki
Here, the temperature performance and size-of-source (source size) effect of a 3 5 μm thermal imaging system have been assessed.
Science
A solution for three-dimensional solute migration from a plane-source source that is frequently used in practice is the approximate solution of Domenico [J. Hydrol. 91 (1987) 49 58].
Table 1 Capacities and temperatures of available heating/cooling sources Source Max.
Figure 2 Challenges in identifying enteric pathogen sources (source: Malakoff,[2002]).
Science
Expert writing Tips
Best practice
Avoid using the redundant phrase "source source". Instead, use a single "source" or a more descriptive term like "primary source" or "original source" for clarity.
Common error
Be cautious of repeating the word "source" unnecessarily. Redundancy can make your writing appear less professional and can confuse the reader. Choose precise and concise language.
Source & Trust
79%
Authority and reliability
2.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "source source" primarily functions as a noun phrase, though its usage is grammatically questionable. Ludwig AI indicates that the phrase is not correct and conveys unclear meaning. It appears in contexts where the intention is to denote an origin or provider, but the repetition is unnecessary.
Frequent in
Science
41%
News & Media
33%
Wiki
17%
Less common in
Formal & Business
4%
Encyclopedias
1%
Reference
0%
Ludwig's WRAP-UP
The phrase "source source" is grammatically incorrect due to its unnecessary repetition. According to Ludwig AI, it doesn't add any meaning compared to using just "source". While the examples show it appearing across different contexts like Science, News & Media and Wiki, it's best to avoid this redundant phrasing and opt for more precise terms such as "primary source" or "original source" to maintain clarity and professionalism in writing. In short, stick to a single "source" or a more descriptive alternative.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
original source
Emphasizes the authenticity and lack of modification.
primary source
Refers to the most direct or original source of information.
initial source
Highlights the source that was first in time or sequence.
originating source
Adds emphasis on the beginning or starting point.
root source
Suggests the fundamental or underlying cause or provider.
point of origin
A more formal way to refer to where something begins.
source of origin
A very emphatic but somewhat redundant way to mention the start point.
provenance
A single word indicating the source or history of something.
wellspring
Similar to fountainhead, implying a rich and plentiful source.
fountainhead
Suggests a source that is abundant and continuously providing.
FAQs
What does "source source" mean?
The phrase "source source" is generally redundant and doesn't add meaning compared to using a single "source". It's often seen when attempting to emphasize that something is, in fact, a source.
Is it grammatically correct to say "source source"?
No, repeating "source" like this is not considered grammatically correct. Using the single word "source" is the standard and accepted form.
What can I say instead of "source source"?
Instead of "source source", you can use a single "source" or more descriptive alternatives such as "primary source", "original source", or "reliable source", depending on the context.
When might someone use "source source", even if it's redundant?
Though technically incorrect, someone might use "source source" for emphasis, to ensure the listener or reader understands they are referring to the origin or provider of information. In formal writing, it's best to avoid this repetition.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
79%
Authority and reliability
2.8/5
Expert rating
Real-world application tested