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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
the source why
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "the source why" is not correct and usable in written English.
It seems to be an incorrect combination of words that does not convey a clear meaning. Example: "I need to identify the source why the project failed."
⚠ May contain grammatical issues
News & Media
Science
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
3 human-written examples
THE SOURCE "Why Don't We Believe Non-Native Speakers?
News & Media
"There seemed to be a little gap and I asked the source why.
News & Media
Why give him any more "ink?" Why not just "consider the source?" Why pay any attention to him whatsoever?
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
54 human-written examples
The Inside Source: Why did you start your blog?
News & Media
Should there be any truth in the views expressed by the anonymous sources, why were the comments not made on the record?
News & Media
Senior ukip source: "why the f*** has he come outside??" September 20 , 20134.36pm BST Paul Nuttall, the deputy leader, is speaking again, on education.
News & Media
To balance a credible source, why does the BBC still roll out people such as Nigel Lawson (who have no up-to-date expertise and a proved history of inaccurate anti-climate change evidence)?
News & Media
The headline read, "I asked my intelligence source why Blair misled us all over Saddam's weapons.
News & Media
Be sure to understand politics and realize that the reliability of the information you receive depends on the source and why it is being used.
Wiki
If he was, and he refused to name his source, why isn't he in the same jail-bound boat as they are?
News & Media
Source: "Why Big Data is a Big Deal" in Harvard Magazine by Jonathan Shaw March-April 20144). March-April 2014
News & Media
Expert writing Tips
Best practice
Avoid using the phrase "the source why" in formal writing. Opt for more grammatically correct alternatives such as "the reason why" or "the cause of why".
Common error
Don't combine "source" and "why" when seeking reasons. Use "the source of X" to find origins, and "the reason why X" to understand causes.
Source & Trust
88%
Authority and reliability
2.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "the source why" attempts to identify the origin of a reason or explanation. However, it's grammatically unconventional. Ludwig AI flags it as incorrect, suggesting a need for alternatives like "the reason why".
Frequent in
News & Media
33%
Science
33%
Wiki
33%
Less common in
Encyclopedias
0%
Social Media
0%
Formal & Business
0%
Ludwig's WRAP-UP
In summary, while "the source why" aims to connect an origin to a reason, it's deemed grammatically incorrect by Ludwig AI and is rarely used. Its few occurrences appear across News & Media, Science, and Wiki sources. For clearer communication, opt for alternatives like "the reason why" or "the cause of why". Using standard grammar enhances credibility, especially in formal contexts. While some authoritative sources use it, adhering to conventional phrasing ensures clarity and professionalism.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
the reason why
Replaces "source" with "reason", offering a more conventional phrasing for expressing causation.
the cause of why
Substitutes "source" with "cause", while keeping the focus on explanation.
the origin of why
Uses "origin" instead of "source", emphasizing the starting point of a reason or event.
the explanation for why
Focuses on providing an explanation, replacing "source" with a more descriptive term.
the basis of why
Highlights the underlying foundation or reason for something, changing the wording for greater clarity.
the grounds for why
Similar to basis, emphasizing justification.
the motivation for why
Focuses on the driving force or incentive, offering a more specific alternative.
the impetus behind why
Emphasizes the initial driving force or cause.
the rationale for why
Replaces "source" with "rationale" to convey a logical or reasoned basis.
the wellspring of why
Uses a metaphorical term to suggest the deep source or origin of the reason.
FAQs
What's grammatically correct instead of "the source why"?
Use alternatives like "the reason why", "the cause of why", or "the origin of why". These options provide clarity and align with standard English grammar.
How can I use "the reason why" in a sentence?
Example: "The reason why the project failed was due to lack of funding." See also "the cause of why" for a similar structure.
Is "the source why" considered formal or informal?
Due to its grammatically incorrect structure, "the source why" is unsuitable for formal contexts. Opt for more precise and standard expressions like "the reason why".
What's the difference between "the source of" and "the reason why"?
"The source of" identifies the origin or starting point, while "the reason why" explains the cause or justification. Don't mix them up, or you will sound unnatural. You can use "the explanation for why" when appropriate.
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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
88%
Authority and reliability
2.8/5
Expert rating
Real-world application tested