The Universal Atlas of Phonetic Evolution
Back to Matrix [θ] → [d] Edit this Data

[d]→[θ]Certainty: 4/5Commonality: 3/5

Voiced alveolar plosive to Voiceless dental fricative

The shift from the voiced alveolar stop [d] to the voiceless dental fricative [θ] is a two-step process involving spirantization (becoming a fricative) and devoicing. This typically occurs in word-final or syllable-coda positions where consonants are prone to weakening and losing their voicing.

Phonetic Effects

Spirantization, Devoicing, Lenition

Language Examples

Madrid [d]→[maˈðɾiθ]— Word-final /d/ devoices to [θ] in central and northern Spain; the intermediate stage is voiced [ð].
verdad [ð]→[beɾˈðaθ]

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