Hangul - Wikipedia
https://en.wikipedia.org/wiki/HangulLetters in the Korean alphabet were named by Korean linguist Choe Sejinin 1527. South Korea uses Choe's traditional names, most of which follow the format of letter + i + eu + letter. Choe described these names by listing Hanja characters with similar pronunciations. However, as the syllables 윽 euk, 읃 eut, and 읏 eut did not occur in Hanja, Choe gave those letters the modified names 기역 giyeok, 디귿 digeut, and 시옷 siot, using Hanja that did not fit the pattern (for 기역) o…
The Korean Alphabet
www.korean-arts.com/about/korean alphabet.htmKorean Alphabet Chart Handy Word and Phrase List Grammar Notes . History and Form The Korean alphabet (called "Hangul" in Korean) was developed by a team of scholars under King Se-jong (1397-1450) of the Yi Dynasty and is the most recently invented and most scientifically designed alphabet in the world.