# Rubio's item-by-item review left no coherent substrate vocabulary; most Sumerologists treat the substratum as unproven.

> Rubio's item-by-item review left no coherent substrate vocabulary; most Sumerologists treat the substratum as unproven.

Source: https://mysteriesdept.com/mysteries/unread-cuneiform/evidence/EVD0DEDYYQGASG8/rubios-item-by-item-review-left-no-coherent-substrate  
Publisher: Mysteries Department  
Licence: CC BY 4.0 (credit Mysteries Department and link the page)  

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[Unread cuneiform: half a million tablets and the limits of Sumerian](https://mysteriesdept.com/mysteries/unread-cuneiform)Evidence

Evidence · Unread cuneiform: half a million tablets and the limits of Sumerian

# Rubio's item-by-item review left no coherent substrate vocabulary; most Sumerologists treat the substratum as unproven.

Rubio's item-by-item review left no coherent substrate vocabulary; most Sumerologists treat the substratum as unproven.

Supported0

## What it means

Key question[What about the Sumerian language itself is still unknown after 170 years of study?](https://mysteriesdept.com/mysteries/unread-cuneiform/questions/QST0DEDT3N5AH6P/what-about-the-sumerian-language-itself-is-still-unknown)

No answer ahead yet

**Open** unchanged

Part of it[Does Sumerian have any demonstrable relative or substratum, or is it an isolate?](https://mysteriesdept.com/mysteries/unread-cuneiform/questions/QST0DEDT86CFAB2/does-sumerian-have-any-demonstrable-relative-or-substratum)

4 answers, none ahead yet

**Open** unchanged

Answer this evidence bears on[A pre-Sumerian substratum](https://mysteriesdept.com/mysteries/unread-cuneiform/answers/ANS0DEDWZHME0M8/a-pre-sumerian-substratum)

Counts againstnone for, 1 against

**Still possible** was No evidence yet

## Sources 2

[On the Alleged "Pre-Sumerian Substratum"](https://mysteriesdept.com/sources/SRC0DEDHR5BNVDP/on-the-alleged-pre-sumerian-substratum)

Rubio 1999

SRC

[The Sumerian Question: Reviewing the Issues](https://mysteriesdept.com/sources/SRC0DEDHQE9W64H/the-sumerian-question-reviewing-the-issues)

Whittaker 2005

SRC

## Cite it

```
Mysteries Department. (2026). Rubio's item-by-item review left no coherent substrate vocabulary; most Sumerologists treat the substratum as unproven. [Evidence EVD0DEDYYQGASG8]. https://mysteriesdept.com/r/EVD0DEDYYQGASG8
```

Key

**EVD** 0DEDYYQGASG8

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Evidence

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Supported

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1

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