The term ‘Great Vowel Shift’ was coined in the early 1900s by the Danish linguist Otto Jespersen to describe a systematic change in the long vowel sounds of English. The changes help to mark the transition from Middle English to Modern English. In this episode, we explore the specific changes that took place in the upper front part of the mouth. We also examine the impact of those changes on Modern English spellings. TRANSCRIPT: EPISODE 141