The Universal Atlas of Phonetic Evolution
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Diphthong Shift

7 documented transformations found for this phonetic process.

Backing
[ai] → [au]
→
Raising
[au] → [oi]
→
Diphthong Shift
[ei] → [ie]
→
Lowering
[ie] → [ai]
→
Diphthong Shift
[oi] → [ui]
→
Lowering
[ui] → [ai]
→
Lowering
[uo] → [au]
→