[θ]→[u]Certainty: 3/5Commonality: 2/5

Voiceless dental fricative to Close back rounded vowel

Vocalization of the voiceless dental fricative [θ] to the close back rounded vowel [u] or its corresponding semivowel [w] occurs in some English and Scots varieties as a form of extreme lenition and cluster simplification.

Phonetic Effects

Vocalization, Lenition, Cluster Simplification

Language Examples

Scots / Northern English Germanic

with [wɪθ]→[wɪu]— Historical development in certain varieties where final dental fricatives vocalize before elision.

Middle English (Historical) Germanic

þ- [θ]→w- [w/u]— Historical weakening in specific environments leading to the formation of diphthongs (e.g., development of 'ow' in some words).

Related Transformations

Reverse ð to u vocalization Elision

More Germanic Shifts

[a] → [ã] — Assimilatory Nasalization [a] → [∅] — Elision [a] → [ʔ] — Glottalization [a] → [ə] — Vowel Reduction [ʕ] → [a] — Vocalization

Sources & References

Spotted a mistake or have a better example?

EchoDrift is community-driven. You can suggest a change directly through GitHub.

Propose an Edit on GitHub