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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
fundamental source
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "fundamental source" is correct and usable in written English.
It can be used to refer to a primary or essential origin of information, ideas, or resources in various contexts, such as academic writing or discussions about theories. Example: "The fundamental source of the theory can be traced back to early philosophical texts that laid the groundwork for modern thought."
✓ Grammatically correct
News & Media
Science
Encyclopedias
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
60 human-written examples
And the fundamental source of resentment – the siege – continues.
News & Media
Conservative and liberal economists agree that new ideas are the fundamental source of higher living standards.
News & Media
Financial crises "are all different, but they have one fundamental source," he explained.
News & Media
There is, therefore, another, and perhaps more fundamental, source for our sense of vehicular entitlement: egocentricity.
News & Media
The fundamental source of long-run deficits is rising health-care expenditures.
News & Media
Land, which initially served only individual needs, came to be the fundamental source of economic enterprise.
Encyclopedias
But the fundamental source of the crisis, and of the banks' troubles, was the orgy of irresponsible lending.
News & Media
Internship ReprintsBut the fundamental source of strain on the multilateral system is the shifting economic balance of power.
News & Media
The Italian author Luigi Barzini once wrote that in Italy, the family is the fundamental source of power: "It extracts everybody's first loyalty.
News & Media
The risk is that we will frame trade as a fundamental source of suffering and losses, which would make voters more nervous, not less.
News & Media
How is it that the fundamental source of so much human suffering is so often ignored by those who study its repercussions?
News & Media
Expert writing Tips
Best practice
When using "fundamental source", ensure the context clearly establishes what derives from that source to avoid ambiguity. For example, instead of saying 'Technology is a fundamental source', specify 'Technology is a fundamental source of innovation'.
Common error
Avoid using "fundamental source" in situations where a simpler term like "source" or "origin" would suffice. Overusing the adjective "fundamental" can make your writing sound unnecessarily verbose. Consider the impact and add it only if needed.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "fundamental source" functions as a noun phrase, typically serving as the subject complement or object in a sentence. It identifies the primary origin or basis of something, as exemplified by Ludwig's provided sentences.
Frequent in
News & Media
34%
Science
32%
Encyclopedias
7%
Less common in
Wiki
4%
Formal & Business
4%
Reference
0%
Ludwig's WRAP-UP
The phrase "fundamental source" is a versatile term used to denote a primary and essential origin, as Ludwig's analysis confirms. Its grammatical correctness and widespread usage across diverse fields—including news, science, and encyclopedias—demonstrate its broad applicability. While alternatives like "primary source" or "basic source" exist, "fundamental source" specifically emphasizes the foundational importance of the origin. Therefore, it is advisable to use it carefully to enhance clarity and impact, and avoid overuse to maintain writing conciseness.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
primary source
Focuses on the idea of being the first or most important source.
basic source
Highlights the essential and foundational nature of the source.
essential source
Emphasizes the necessity and importance of the source.
underlying source
Indicates the source that forms the basis or foundation.
root cause
Shifts the focus to a cause rather than a general source.
key origin
Highlights the crucial origin or starting point.
mainspring
Implies a source that initiates or drives something.
core origin
Emphasizes the central and most important origin.
initial basis
Focuses on the starting point or foundation.
foundational element
Highlights that this is an element of the overall foundation.
FAQs
How can I use "fundamental source" in a sentence?
You can use "fundamental source" to indicate the primary origin or basis of something. For instance, "Education is a "fundamental source" of social progress" or "The sun is the "fundamental source" of energy for Earth".
What's a more concise alternative to "fundamental source"?
Depending on the context, you could use alternatives such as "primary source", "main origin", or simply "source" to convey a similar meaning with fewer words.
Is there a difference between "fundamental source" and "primary source"?
While both terms refer to origins, ""fundamental source"" emphasizes the essential or foundational nature of the origin, whereas "primary source" often refers to the original source of information or evidence.
When is it appropriate to use the term "fundamental source" over other similar phrases?
Use "fundamental source" when you want to emphasize that something is not just a source, but a core, essential, and foundational origin. For example, when discussing deeply rooted causes or origins with significant impact.
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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
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested