Etymograph
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Indo-European
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Proto-Germanic
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Phoneme
Graphemes: r
Classes: voiced alveolar trill consonant
Features +voice coronal sonorant
Related rules
Development: Old English
post-pwgmc-intervocalic-z
: z > r / {V|j}_{V|j}, z > r / {V|j}r_{V|j}
post-pwgmc-z-before-coronal
: z > r / _[coronal]
post-pwgmc-remaining-z
: z > r