[r]→[ʂ]Certainty: 5/5Commonality: 2/5

Alveolar trill to Voiceless retroflex fricative

In Central and Eastern Scandinavian dialects a rhotic followed by [s] fuses with it into a single retroflex fricative [ʂ]. The tongue tip, already curled back for the apical [r], carries that retraction onto the following sibilant, and the rhotic itself disappears.

Phonetic Effects

Retroflexion, Sandhi Assimilation, Fusion

Language Examples

Swedish / Norwegian (Central and Eastern dialects) Germanic

kors [rs]→[kɔʂ]— Swedish 'cross'.

norsk [rsk]→[nɔʂk]— Norwegian 'Norwegian'.

fors [rs]→[fɔʂ]— Swedish 'rapids'. Not found in Southern Swedish and other dialects with a uvular r.

Related Transformations

Reverse Parallel: r+t Parallel: r+d Parallel: r+n

More Assimilation Shifts

[a] → [ã] — Assimilatory Nasalization [a] → [∅] — Elision [a] → [ʔ] — Glottalization [a] → [ə] — Vowel Reduction [æ] → [ɛ] — Vowel Raising

Sources & References

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