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| Part of a series on |
| Old English |
|---|
| History and description of |
| English pronunciation |
|---|
| Historical stages |
| General development |
| Development of vowels |
| Development of consonants |
| Variable features |
| Related topics |
The phonological system of the Old English language underwent many changes during the period of its existence. These included a number of vowel shifts, and the palatalisation of velar consonants in many positions.
For historical developments prior to the Old English period, see Proto-Germanic language.