[θ]→[d]Certainty: 5/5Commonality: 4/5

Voiceless dental fricative to Voiced alveolar plosive

The shift from [θ] to [d] involves both stopping and voicing. This historical shift is a hallmark of the High German Consonant Shift, where the Proto-Germanic voiceless dental fricative regularly became a voiced dental stop.

Phonetic Effects

Stopping, Voicing, Hardening

Language Examples

Proto-Germanic to High German Germanic

þrijiz (three)→drei [d]— Regular historical shift in High German dialects.

þū (thou)→du

Related Transformations

Reverse Alternative: Voiceless stopping

More Germanic Shifts

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

Sources & References

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