Triphthong
"Triphthong" in Japanese
三重字
sanjūji
(monosyllabic vowel combination involving movement from one vowel to another)
三重音字
sanjū onji
(monosyllabic vowel combination involving movement from one vowel to another)
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.