Proto-Germanic Translator — The Reconstructed Mother Tongue
Translate English into Proto-Germanic, the unwritten ancestor of English, German and Norse that linguists rebuilt from its descendants. Learn how reconstruction works below.
What Is Proto-Germanic?
Proto-Germanic is the reconstructed common ancestor of all the Germanic languages — English, German, Dutch, Frisian, and the Scandinavian languages — spoken roughly between 500 BC and 200 AD. Crucially, nobody ever wrote it down. Every word we have was reverse-engineered by linguists comparing its surviving descendants. That is why every form is marked with an asterisk, like *wurđą (word), to signal "reconstructed, not attested".
How a Language Is Reconstructed
The method is called the comparative method, and it is one of the great achievements of linguistics. Scholars line up related words across the daughter languages — Gothic, Old Norse, Old English and Old High German — and work backwards to the single ancestral form that could regularly have produced all of them. Sound changes are astonishingly regular: once you know that Proto-Germanic *p became f in English (compare Latin pater with English father), you can apply the rule consistently. From thousands of such correspondences, an entire vanished language emerges.
Grimm's Law and the Sound Shifts
The most famous discovery here is Grimm's Law, named for Jacob Grimm of fairy-tale fame, which describes how the consonants of Proto-Indo-European systematically shifted in Germanic: p→f, t→þ, k→h, and so on. This single insight explains why "father" begins with f in English but p in Latin and Greek, and it is the backbone of how Proto-Germanic forms are reconstructed and verified.
Why Proto-Germanic Matters
Studying Proto-Germanic reveals the hidden machinery beneath everyday English. Words like *gastiz (guest), *fōr (fire) and *haimaz (home) show how our most basic vocabulary has descended, transformed by predictable sound laws, across more than two thousand years. It is comparative linguistics made tangible.
Common English to Proto-Germanic Words
| English | Proto-Germanic | Notes |
|---|---|---|
| word | *wurđą | Reconstructed. |
| guest | *gastiz | Cf. Latin hostis. |
| fire | *fōr | — |
| home | *haimaz | Cf. Old Norse heimr. |
| king | *kuningaz | Gave king, König, konungr. |
| father | *fadēr | Grimm's Law: p→f. |
| mother | *mōdēr | — |
| water | *watōr | — |
| wolf | *wulfaz | — |
| man | *mannz | — |
| god | *gudą | — |
| day | *dagaz | — |
| hand | *handuz | — |
| heart | *hertô | — |
| stone | *stainaz | Cf. Old Norse steinn. |
| land | *landą | — |
| ship | *skipą | — |
| gold | *gulþą | — |
| name | *namô | — |
| death | *dauþuz | — |
| snow | *snaiwaz | — |
| three | *þrīz | þ from Grimm's Law t→þ. |
Attested scholarly forms. Regional and period variations exist.
English to Proto-Germanic Translator
How to Use This Translator
- Type or paste English text into the box above. Short, concrete sentences work best.
- Read the Proto-Germanic output.
- Copy your result with the Copy button to use it anywhere.
What it does well: it renders core vocabulary in standard reconstructed forms, correctly marked with an asterisk to show they are not directly attested. Its limits: because Proto-Germanic was never written, all forms are scholarly reconstructions that vary slightly between linguists, and the tool cannot reconstruct full inflected sentences.
Frequently Asked Questions About Proto-Germanic
No. It predates Germanic writing entirely. Every form is reconstructed by linguists from its descendant languages, which is why each one carries an asterisk to mark it as reconstructed rather than attested.
In historical linguistics, an asterisk before a word means it is a reconstruction inferred from evidence, not a form found in any surviving text. It is a standard scholarly convention.
Through the comparative method: by systematically comparing related words across Gothic, Old Norse, Old English and Old High German and applying regular sound laws, scholars deduce the ancestral forms.
Grimm's Law describes a regular set of consonant shifts that separated Germanic from the rest of Indo-European, such as p→f and t→th. It explains why "father" has f in English but p in Latin.
All the Germanic languages: English, German, Dutch, Frisian, Afrikaans, and the North Germanic languages — Icelandic, Norwegian, Danish, Swedish and Faroese.
No. Proto-Germanic is the earlier common ancestor; Old Norse is one of its much later descendants. Old Norse is attested in writing, while Proto-Germanic is reconstructed.
Core vocabulary is reconstructed with high confidence because the sound laws are so regular, but details of spelling and rarer words can differ between scholars, so treat forms as well-founded approximations.
Words not yet in our reconstruction dictionary stay in English and are looked up for a definition. We add more reconstructed forms over time.
It is the even older ancestor of Proto-Germanic and of most European and many Asian languages. Proto-Germanic is one branch descending from it.
Because it reveals the deep structure and history of English itself, showing how our everyday words were shaped by predictable changes over thousands of years.
Further Reading & Resources
- 📖
A Grammar of Proto-Germanic —A scholarly reconstruction of the language's structure.
- 📖
The Germanic Languages —A survey of the family that descends from Proto-Germanic.
- 📖
Language History: From Language to Languages —A clear introduction to how languages are reconstructed.
- 🔗
Wiktionary Proto-Germanic Appendix —A large, freely available list of reconstructed Proto-Germanic forms.