differences - Whence came the different varieties of the "long i" diphthong?
What is the origin of “long long i” before voiced consonants (the [ai] of wide , while , & tribe ) versus “short long i” before unvoiced consonants (the [ʌi] of white , wife , & wipe )? When did this difference appear? Is it just a secondary distinction, or are there minimal pairs for these two diphthongs? Obviously the distinction is not present in all accents—though its presence in most leads me to believe it's not a late arrival—and yet I've never found a dictionary that distinguishes them. Answer I believe this is called Canadian Raising . Canadian raising is a phonetic phenomenon that occurs in varieties of the English language, especially Canadian English, in which certain diphthongs are "raised" before voiceless consonants (e.g., /p/, /t/, /k/, /s/, /f/). /aɪ/ (the vowel of "eye") becomes [ʌɪ] or [ɐɪ] , while the outcome of /aʊ/ (the vowel of "loud") varies by dialect, with [ʌu] more common in the west and a fronted variant [ɛʉ] c...