Diphthong
/ˈdɪf.θɔŋ/noun
A complex vowel sound that begins with one vowel and glides into another within the same syllable.
Did you know?The term 'diphthong' originates from a Greek word meaning 'two sounds', reflecting its dual nature in phonetics — a blend of harmony and tension.
Etymological Timeline
Ancient Greek
Greek
διφθόγγος
“Referring to a combination of two sounds or voices.”
Latin
Latin
diphthongus
“Adopted from Greek, meaning 'two sounds'.”
Middle English
Middle English
diphthong
“Incorporated from Latin, maintaining the dual sound concept.”
Modern English
English
diphthong
“Evolved to denote a specific type of complex vowel sound in contemporary phonetics.”