[ɾ]→[ʂ]Certainty: 5/5Commonality: 3/5

Voiced alveolar flap to Voiceless retroflex fricative

The transformation from an alveolar flap (or trill) to a voiceless retroflex fricative occurs through a process of merger and assimilation, typically when a rhotic combines with a following dental sibilant, common in North Germanic and Indo-Aryan languages.

Phonetic Effects

Retroflexion, Assimilation, Merger

Language Examples

Swedish Germanic

fors (rapids) /rs/→[fɔʂ]— The alveolar rhotic merges with the following dental sibilant to create a single retroflex fricative.

Norwegian Germanic

norsk /ɾs/→[nɔʂk]— Eastern Norwegian dialects exhibit widespread retroflexion of clusters involving rhotics.

Sanskrit Indo-Aryan

/rs/→[ʂ]— The RUKI rule caused dental sibilants to become retroflex when preceded by rhotics.

Related Transformations

Reverse Retroflexion Voicing

More Germanic Shifts

[a] → [ã] — Assimilatory Nasalization [a] → [∅] — Elision [a] → [ʔ] — Glottalization [a] → [ə] — Vowel Reduction [ai] → [e] — Monophthongization

Sources & References

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