U+77B3 was added to Unicode in version 1.1 (1993). It belongs to the block CJK Unified Ideographs in the Basic Multilingual Plane.

This character is a Other Letter and is mainly used in the Han script. The Unihan Database defines it as pupil of eye. Its Pīnyīn pronunciation is tóng.

The glyph is not a composition. It has a Wide East Asian Width. In bidirectional context it acts as Left To Right and is not mirrored. In text U+77B3 behaves as Ideographic regarding line breaks. It has type OLetter for sentence and Other for word breaks. The Grapheme Cluster Break is Any.


System Representation
UTF-8 E7 9E B3
UTF-16 77 B3
UTF-32 00 00 77 B3
URL-Quoted %E7%9E%B3
HTML-Escape 瞳
Wrong windows-1252 Mojibake 瞳
Encoding: EUC-KR (hex bytes) D4 DA
Encoding: JIS0208 (hex bytes) C6 B7
Pīnyīn tóng
IRG_GSource G0-4D2B
IRG_HSource HB1-
IRG_JSource J0-4637
IRG_KPSource KP0-D6D
IRG_KSource K0-545A
IRG_TSource T1-7446
IRG_VSource V1-605
BigFive C0FB
CCCII 214D70
CNS1986 1-7446
CNS1992 1-7446
EACC 214D70
GB0 4511
GB1 4511
Jis0 3823
KSC0 5258
MainlandTelegraph 4227
TaiwanTelegraph 4227
Xerox 264:252


Complete Record

Property Value
Age (age) 1.1
Unicode Name (na) CJK UNIFIED IDEOGRAPH-77B3
Unicode 1 Name (na1)
Block (blk) CJK
General Category (gc) Other Letter
Script (sc) Han
Bidirectional Category (bc) Left To Right
Combining Class (ccc) Not Reordered
Decomposition Type (dt) None
Decomposition Mapping (dm) 瞳
Lowercase (Lower)
Simple Lowercase Mapping (slc) 瞳
Lowercase Mapping (lc) 瞳
Uppercase (Upper)
Simple Uppercase Mapping (suc) 瞳
Uppercase Mapping (uc) 瞳
Simple Titlecase Mapping (stc) 瞳
Titlecase Mapping (tc) 瞳
Case Folding (cf) 瞳
ASCII Hex Digit (AHex)
Alphabetic (Alpha)
Bidi Control (Bidi_C)
Bidi Mirrored (Bidi_M)
Bidi Paired Bracket (bpb) 瞳
Bidi Paired Bracket Type (bpt) None
Cased (Cased)
Composition Exclusion (CE)
Case Ignorable (CI)
Full Composition Exclusion (Comp_Ex)
Changes When Casefolded (CWCF)
Changes When Casemapped (CWCM)
Changes When NFKC Casefolded (CWKCF)
Changes When Lowercased (CWL)
Changes When Titlecased (CWT)
Changes When Uppercased (CWU)
Dash (Dash)
Deprecated (Dep)
Default Ignorable Code Point (DI)
Diacritic (Dia)
East Asian Width (ea) Wide
Extender (Ext)
FC NFKC Closure (FC_NFKC) 瞳
Grapheme Cluster Break (GCB) Any
Grapheme Base (Gr_Base)
Grapheme Extend (Gr_Ext)
Hex Digit (Hex)
Hangul Syllable Type (hst) Not Applicable
Hyphen (Hyphen)
ID Continue (IDC)
Ideographic (Ideo)
ID Start (IDS)
IDS Binary Operator (IDSB)
IDS Trinary Operator and (IDST)
Indic Positional Category (InPC) NA
Indic Syllabic Category (InSC) Other
ISO 10646 Comment (isc)
Joining Group (jg) No_Joining_Group
Join Control (Join_C)
Jamo Short Name (JSN)
Joining Type (jt) Non Joining
kIICore (kIICore) AGT
kIRG_GSource (kIRG_GSource) G0-4D2B
kIRG_HSource (kIRG_HSource) HB1-
kIRG_JSource (kIRG_JSource) J0-4637
kIRG_KPSource (kIRG_KPSource) KP0-D6D
kIRG_KSource (kIRG_KSource) K0-545A
kIRG_TSource (kIRG_TSource) T1-7446
kIRG_VSource (kIRG_VSource) V1-605
kIRGDaeJaweon (kIRGDaeJaweon) 1230.140
kIRGDaiKanwaZiten (kIRGDaiKanwaZiten) 23707
kIRGHanyuDaZidian (kIRGHanyuDaZidian) 42514.120
kIRGKangXi (kIRGKangXi) 0818.040
kBigFive (kBigFive) C0FB
kCangjie (kCangjie) BUYTG
kCantonese (kCantonese) tung4
kCCCII (kCCCII) 214D70
kCihaiT (kCihaiT) 953.604
kCNS1986 (kCNS1986) 1-7446
kCNS1992 (kCNS1992) 1-7446
kCowles (kCowles) 4466
kDaeJaweon (kDaeJaweon) 1230.140
Unihan Definition (kDefinition) pupil of eye
kEACC (kEACC) 214D70
kFenn (kFenn) 829F
kFennIndex (kFennIndex) 582.05
kFourCornerCode (kFourCornerCode) 6001.4
kFrequency (kFrequency) 5
kGB0 (kGB0) 4511
kGB1 (kGB1) 4511
kGSR (kGSR) 1188s
kHangul (kHangul)
kHanYu (kHanYu) 42514.120
kHanyuPinyin (kHanyuPinyin) 42514.120:tóng
kHKGlyph (kHKGlyph) 2780
kJapaneseKun (kJapaneseKun) HITOMI
kJapaneseOn (kJapaneseOn) DOU TOU
kJis0 (kJis0) 3823
kKangXi (kKangXi) 0818.040
kKorean (kKorean) TONG
kKPS0 (kKPS0) D6D9
kKSC0 (kKSC0) 5258
kMainlandTelegraph (kMainlandTelegraph) 4227
kMandarin (kMandarin) tóng
kMatthews (kMatthews) 6633
kMeyerWempe (kMeyerWempe) 3616
kMorohashi (kMorohashi) 23707
kNelson (kNelson) 3157
kPhonetic (kPhonetic) 1406
Radical Stroke Count (Adobe Japan 1-6) (kRSAdobe_Japan1_6) C+3215+109.5.12
Radical Stroke Count (KangXi) (kRSKangXi) 109.12
Radical Stroke Count (Unicode) (kRSUnicode) 109.12
kSBGY (kSBGY) 023.25
kTaiwanTelegraph (kTaiwanTelegraph) 4227
kTang (kTang) dhung
Stroke Number (kTotalStrokes) 17
kVietnamese (kVietnamese) chàng tròng
kXerox (kXerox) 264:252
kXHC1983 (kXHC1983) 1151.040:tóng
Line Break (lb) Ideographic
Logical Order Exception (LOE)
Math (Math)
Noncharacter Code Point (NChar)
NFC Quick Check (NFC_QC) Yes
NFD Quick Check (NFD_QC) Yes
NFKC Casefold (NFKC_CF) 瞳
NFKC Quick Check (NFKC_QC) Yes
NFKD Quick Check (NFKD_QC) Yes
Numeric Type (nt) None
Numeric Value (nv) NaN
Other Alphabetic (OAlpha)
Other Default Ignorable Code Point (ODI)
Other Grapheme Extend (OGr_Ext)
Other ID Continue (OIDC)
Other ID Start (OIDS)
Other Lowercase (OLower)
Other Math (OMath)
Other Uppercase (OUpper)
Pattern Syntax (Pat_Syn)
Pattern White Space (Pat_WS)
Quotation Mark (QMark)
Radical (Radical)
Sentence Break (SB) OLetter
Simple Case Folding (scf) 瞳
Script Extension (scx) Han
Soft Dotted (SD)
STerm (STerm)
Terminal Punctuation (Term)
Unified Ideograph (UIdeo)
Variation Selector (VS)
Word Break (WB) Other
White Space (WSpace)
XID Continue (XIDC)
XID Start (XIDS)
Expands On NFC (XO_NFC)
Expands On NFD (XO_NFD)
Expands On NFKC (XO_NFKC)
Expands On NFKD (XO_NFKD)