Code point
U+C378
Glyph appearance depends on your fonts.
U+C378
LoU+C378 HANGUL SYLLABLE SSEOM is a Unicode 16.0.0 character in the Other Letter category. It belongs to the Hangul Syllables block.
Choose the representation you need, then copy its value.
U+C378
50040
썸
썸
EC 8D B8
C378
0000C378
%EC%8D%B8
\uC378
\uC378
\uC378
\C378