Phonetic law
A phonetic law is a type of systematic phonetic change. Said law can also be expressed by means of a formula that defines the change experienced by an articulation in a determined region and a determined time.
In the field of linguistics, a law is a formulation of a statistical regularity observed in the production of any linguistic phenomenon (phonetic, morphological, semantic, etc.). For example, in the transition from Latin to modern Spanish, intervocalic plosives sound.
The problem of phonetic laws is one of the most debated in linguistics, due to the multitude of irregularities when trying to formulate said "laws". A law can govern only certain languages of the same group and only for a specific moment in its evolution, leaving out of its scope other languages that should be governed by it due to affinity.
Phonetic laws
| Genetic Law | Affected languages | Effect |
|---|---|---|
| Brugmann Act | indoiranias languages | ♪ ▪ ā syllable open |
| Grassmann Act | Greek and Indian languages | ChVCh CVCh |
| Grimm Act | Germanic languages | The aspirated and deaf occlusives fry, and the occlusive sound ensordecen. |
| Osthoff Act | Greek | Long vowels are shortened to the resonant + occlusive sequence. |
| Palatal Law | indoiranias languages | The lips palatalize before the previous vowel. |
| Ruki Law | indoirania and Slavic languages | The sound ♪ suffers a peculiar evolution after /r, u, k, i/. |
| Verner Act | Germanic languages | The sordid intervocálica fricatives sound, except after the accent. |
| Philippi Act | Semitic languages | /i/ /a/ en silaba closed tonic. |