U+3166 "ㅦ" Hangul Letter Nieun-Tikeut Unicode Character

U+3166 "ㅦ" Hangul Letter Nieun-Tikeut is an obsolete or rarely used composite Hangul jamo, representing a consonant cluster that combines the sounds of nieun (ㄴ) and tikeut (ㄷ), typically pronounced as a tensed or reinforced dental sound in historical Korean orthography. This character belongs to the Hangul Compatibility Jamo block in Unicode, where it encodes a precomposed form primarily found in older or scholarly Korean texts rather than in modern standard writing. Its purpose is to facilitate the digital representation and processing of archaic Hangul syllables, preserving the typographic integrity of historical documents and linguistic research materials.

General Properties

Code Point	U+3166
Version Added	1.1
Name	Hangul Letter Nieun-Tikeut
Unicode 1.0 Name	Hangul Letter Nieun Digeud
Block	Hangul Compatibility Jamo
General Category	Other Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right
Decomposition Type	Compat
Decomposition Mapping	"ᄕ" U+1115 Hangul Choseong Nieun-Tikeut

Encodings

HTML Decimal Encoding	ㅦ
HTML Hex Encoding	ㅦ
UTF-8 Encoding	0xE3 0x85 0xA6
UTF-16 Encoding	0x3166
UTF-32 Encoding	0x00003166
C/C++/Java Escape	\u3166

Unicode Properties

NFC Quick Check	Yes
NFD Quick Check	Yes
Numeric Type	None
Numeric Value	NaN
Line Break	Ideographic
East Asian Width	Wide
Changes When NFKC Casefolded	Yes
NFKC Casefold	"ᄕ" U+1115 Hangul Choseong Nieun-Tikeut
NFKC Simple Casefold	"ᄕ" U+1115 Hangul Choseong Nieun-Tikeut
Script	Hangul
Script Extensions	Hangul
Indic Syllabic Category	Other
ID Start	Yes
XID Start	Yes
ID Continue	Yes
XID Continue	Yes
Alphabetic	Yes
Vertical Orientation	Upright
Grapheme Base	Yes
Grapheme Cluster Break	Other
Word Break	Alphabetic letter
Sentence Break	OLetter