U+CC21 "찡" Hangul Syllable Jjing Unicode Character

U+CC21 "찡" Hangul Syllable Jjing is a precomposed syllable representing the Korean sound "jjing," formed from the initial consonant 'jj' (a tense sound akin to 'd' in English) and the vowel 'i' as in 'seen', with a final 'ng' consonant. It is part of the Hangul Syllables block in Unicode, which standardizes the thousands of possible syllable combinations in the Korean writing system by assigning a unique code point to each block-formed character. This particular syllable, 찡, is used in modern Korean vocabulary, often appearing in expressive or onomatopoeic words, such as 찡그리다 (jjinggeurida) meaning "to frown" or "to make a sour face," highlighting its role in conveying nuanced emotional or physical expressions.