of unknown origin

USAGE SUMMARY

"of unknown origin" is a correct and usable phrase in written English.
You can use it when referring to something whose origin or source is not known or cannot be determined. For example: "The phrase 'lace hanky-panky' is of unknown origin."

✓ Grammatically correct

Academia

News & Media

Science

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Sources: 1. of unknown origin.

The Guardian

a favor of unknown origin.

Stanford University

over this fear of unknown origin.

Stanford University

Etymology: (Greek: aconiton, of unknown origin).

University of California, Berkeley

an FUO – fever of unknown origin.

Stanford University

In these places, I am firmly black, of unknown origin".

The Guardian - Books

Like me, brother John was of unknown origin.

The New York Times - Books

Behçet disease (BD) is a multisystem vasculitis of unknown origin.

Seminars in Arthritis and Rheumatism

While some of the windows are of unknown origin, all share a careful attention to detail.

The New York Times

It was, instead, like the virus isolated previously from the captive chimpanzee of unknown origin.

The New York Times - Science

Dr. Shope had pulmonary fibrosis, a disease of unknown origin that scars the lungs.

The New York Times

Expert writing Tips

Best practice

When using "of unknown origin", ensure the context clearly indicates what exactly is of unknown origin. Be specific; for instance, specify a disease, artifact, or phrase.

Common error

Avoid using "of unknown origin" in contexts where the lack of knowledge is irrelevant or unclear. The phrase should add meaningful context, not introduce unnecessary ambiguity.

Linguistic Context

The phrase "of unknown origin" functions as a prepositional phrase that modifies a noun, indicating that the source or beginning of that noun is not known or cannot be determined. As Ludwig AI confirms, this phrase is correct and usable.

Expression frequency: Very common

Frequent in

News & Media

34%

Academia

25%

Science

25%

Less common in

Encyclopedias

2%

Wiki

2%

Formal & Business

0%

Ludwig's WRAP-UP

The phrase "of unknown origin" is a versatile prepositional phrase used to denote that the source or beginning of something is not known. Ludwig AI confirms that it's grammatically correct and widely applicable across various contexts. With a very common frequency, it appears extensively in News & Media, Academia, and Science, signaling its broad acceptance. While variations exist, such as "of uncertain provenance", the core meaning remains consistent. When using the phrase, specificity is key; clearly indicate what exactly is of unknown origin to prevent ambiguity.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

of uncertain provenance

Replaces 'origin' with 'provenance', emphasizing the history of ownership and source.

from an unidentified source

Shifts the focus to the 'source' being 'unidentified', highlighting the lack of specific knowledge.

with an undetermined source

Uses 'undetermined' to describe the 'source', suggesting that the source hasn't been established.

whose beginnings are obscure

Focuses on the 'beginnings' being 'obscure', meaning they are not easily discovered or understood.

lacking a known source

Highlights the absence of a 'known source', directly stating that the source is not recognized.

of mysterious derivation

Replaces 'origin' with 'derivation', emphasizing the process of coming from something, and using 'mysterious' to highlight the unknown aspect.

without a traceable source

Emphasizes that the source cannot be followed or discovered.

of unascertainable roots

Uses 'unascertainable' to mean unable to be determined, and replaces 'origin' with 'roots', indicating the point from which something grows or develops.

from an unspecified start

Focuses on the starting point being 'unspecified', meaning it's not clearly or exactly identified.

its genesis is unknown

Uses 'genesis' as a synonym for 'origin' and directly states that it is 'unknown'.

FAQs

How can I use "of unknown origin" in a sentence?

Use "of unknown origin" to describe something whose source or beginning is not known. For example, "The artifact is of unknown origin" or "The disease is believed to be of unknown origin".

What are some alternatives to "of unknown origin"?

You can use alternatives like "of uncertain provenance", "from an unidentified source", or "with an undetermined source" depending on the context.

Is it better to use "of unknown origin" or "of uncertain origin"?

Both phrases, "of unknown origin" and "of uncertain origin", are grammatically correct and convey a similar meaning. The choice often depends on stylistic preference.

What does it mean when something is described as "of unknown origin"?

When something is described as "of unknown origin", it means its source, beginning, or derivation cannot be determined or is not known.