noun
Great Vowel Shift
A major historical sound change in English pronunciation that occurred roughly between the 15th and 18th centuries, affecting long vowels. Used in linguistics contexts.
大母音推移は、英語の長母音の発音を大きく変えた。
The Great Vowel Shift significantly changed the pronunciation of long vowels in English.
From 大 (great) + 母音 (vowel) + 推移 (shift, transition). A direct translation of the English term 'Great Vowel Shift'.