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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 origin
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "source origin" is not correct and is generally redundant in written English.
You can use it when discussing the starting point or initial place of something, but it is better to choose one term to avoid repetition. Example: "The source origin of the river can be traced back to the mountains."
⚠ May contain grammatical issues
Science
News & Media
Formal & Business
Alternative expressions(10)
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
18 human-written examples
The principal component analysis/multiple linear regression predicts the percent contribution of FRs from different consumer products in the indoor and outdoor dust of industrial, rural and background zones to trace their source origin.
Science
Convective mean-flow effects on the apparent source origin have been assessed by placing a loudspeaker underneath a perforated flat plate and evaluating the displacement of the beamforming peak with inflow Mach number.
It said, "Everyman Espresso's unauthorized and confusingly similar use of the I ♥ NY® logo" violated federal trademark law and implied "a misleading designation of source, origin, endorsement, sponsorship or approval by the New York State Department of Economic Development of your merchandise".
News & Media
The detector is designed to be capable to reconstruct the photon source origin not only from the Compton scattering kinematics of the primary photon, but also to allow for tracking of the secondary Compton-scattered electrons, thus enabling a γ-source reconstruction also from incompletely absorbed photon events.
So, it can be concluded that Guinea appears to be the source origin of contagion, as one may notice the Ebola virus shock spread from Guinea to Sierra Leone to Liberia.
Science
The moment-rate function (Fig. 3(b)) shows a source duration of roughly 200 s and a peak moment rate at 50 100 s from the source origin time.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
42 human-written examples
Different δ18ON03− trends suggest isotopically distinct, non-point source origins which vary spatially and temporally, due to different degrees of evaporation/recharge and amounts of fertilizer applied.
The groundwater system has more than two isotopically distinct non-point source origins, causing spatial and temporal variations in fluoride concentration.
Sources of water quality contamination include releases of chemical and radionuclide contaminants from point-source and non-point source origins.
(Source: "Origins of the Cigarette Catastrophe and the Case for Abolition" presentation by Robert Proctor, via the Institute for Global Tobacco Control / YouTube).
News & Media
However, an enormous number of different chemical species are associated with the various types of ambient particles, depending upon their source origins (e.g., Cooper and Watson 1980).
Expert writing Tips
Best practice
Prefer using either "source" or "origin" to avoid redundancy. For example, instead of "the source origin of the problem", say "the source of the problem" or "the origin of the problem".
Common error
Avoid using "source origin" in formal writing. It's often clearer and more concise to choose one word, such as "source" or "origin", depending on the specific context.
Source & Trust
77%
Authority and reliability
2.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "source origin" functions as a noun phrase intended to identify the starting point or cause of something. Ludwig AI states that this phrase is generally redundant, as either "source" or "origin" can often convey the intended meaning more concisely.
Frequent in
Science
60%
News & Media
30%
Formal & Business
10%
Less common in
Academia
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, while "source origin" attempts to pinpoint the commencement or cause of something, it's often deemed redundant. Ludwig AI marks this phrase as not correct, suggesting simpler alternatives are usually more effective. "Source" and "origin" can often replace the phrase, and are grammatically correct. While it appears across different types of sources like science, news, and formal documents, prioritizing clarity in formal writing means opting for one term instead of both to avoid unnecessary repetition. Consider "original source" or "point of origin" for enhanced preciseness where needed.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
original source
Emphasizes the initial or primary source, rather than the location.
point of origin
Highlights the specific location where something begins or arises.
root cause
Focuses on the fundamental reason or cause behind something.
initial source
Similar to original source, but emphasizes the starting point.
source of origination
A more formal and somewhat redundant way of saying "source origin".
place of origin
Specifies the geographical location or entity from which something comes.
genesis
Focuses on the creation or beginning of something.
provenance
Refers to the history of ownership or origin of an item or idea.
derivation
Highlights the process by which something is obtained from a source.
inception
Focuses on the start or commencement of something.
FAQs
What is the difference between "source" and "origin"?
"Source" refers to where something comes from, while "origin" refers to the beginning or cause. They are closely related, and sometimes interchangeable, but using both as in "source origin" is often redundant.
When is it acceptable to use the phrase "source origin"?
While generally redundant, "source origin" might be used for emphasis or in specific technical contexts where both aspects are important. However, consider whether simply using "source" or "origin" is clearer.
What can I say instead of "source origin"?
Depending on the context, you can use alternatives like "original source", "point of origin", or simply "source" or "origin".
Is "source origin" grammatically incorrect?
According to Ludwig AI, the phrase "source origin" is not correct and is generally redundant in written English. It's better to choose one term to avoid 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
77%
Authority and reliability
2.8/5
Expert rating
Real-world application tested