Universal #1766

Legacy number: 1766

 Number  1761
 Original  Hierarchy of major-class and manner features in the context of consonantal weakening:

Ø < glides < liquids < nasals < +v fricatives < -v fricatives/-v stops < -v stops.<br>
The consonants more to the left on the hierarchy are classified as weaker, leading to eventual deletion, diachronically speaking.
 Standardized  Hierarchy of major-class and manner features in the context of consonantal weakening:

Ø < glides < liquids < nasals < +v fricatives < -v fricatives/-v stops < -v stops.<br>
The consonants more to the left on the hierarchy are classified as weaker, leading to eventual deletion, diachronically speaking.
 Formula 
 Keywords  consonant, weakening, hierarchy
 Domain  phonology
 Type  implicational hierarchy
 Status  unclear whether diachronic and/or achronic
 Quality  statistical
 Basis  Romance and Germanic languages
 Source  Escure 1977: 60

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Discussion
Notes
1. This hierarchy also expresses the directionality of change of a given consonant by representing the actual stages of the weakening process from right to left, leading to deletion (Escure 1977: 60).2. For a similar universal about nasal deletion, cf. #1798.3. Cf. #1806.4. An error: +voiced stops < -v stops?
Comment
Frans Plank · 3 Aug 2006
1. This hierarchy also expresses the directionality of change of a given consonant by representing the actual stages of the weakening process from right to left, leading to deletion (Escure 1977: 60).

2. For a similar universal about nasal deletion, cf. <a class="innerLink" href="browse.php?entry_id=1798"><img src="../img/entry.gif" border="0">.

3. Cf. <a class="innerLink" href="browse.php?entry_id=1806"><img src="../img/entry.gif" border="0">

4. An error: +voiced stops < -v stops?