U+4F59 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 I, my, me; surname; surplus. Its Pīnyīn pronunciation is y.

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+4F59 behaves as Ideographic regarding line breaks. It has type OLetter for sentence and Other for word breaks. The Grapheme Cluster Break is Any.

The Wikipedia has the following information about this codepoint:

Yu is the pinyin romanisation of several Chinese family names. However, in the Wade–Giles romanisation system, Yu is equivalent to You in pinyin. "Yu" may represent many different Chinese characters, including 余, 于, 由, 魚 (鱼), 漁, 渔, 楀, 俞, 喻, 兪, 於, 遇, 虞, 郁, 尉, 禹, 游, 尤, 庾, 娛, 娱, and 茹. Yu is also a common Korean family name (also romanised as Yoo or Ryu) and may represent these characters: 劉, 兪, 庾, 柳.

The most common of the Yu surnames are 于, 余, and 俞. In China, 0.62% of the population have the family name 于 in 2002 (about 7.4 million), and this surname is most common in Shandong province and northeastern China. Around 0.41% of the population have the surname 余 in 2002 (over five million), and it is most common in Jiangxi, Zhejiang and Fujian provinces. The 俞 surname represents around 0.12% of China's population.


System Representation
UTF-8 E4 BD 99
UTF-16 4F 59
UTF-32 00 00 4F 59
URL-Quoted %E4%BD%99
HTML-Escape 余
Wrong windows-1252 Mojibake 余
Encoding: EUC-KR (hex bytes) E5 F9
Encoding: JIS0208 (hex bytes) CD BE
Pīnyīn y
IRG_GSource G0-5360
IRG_HSource HB1-
IRG_JSource J0-4D3E
IRG_KPSource KP0-F8C
IRG_KSource K0-6579
IRG_TSource T1-4927
IRG_VSource V1-4B3
BigFive A745
CCCII 213131
CNS1986 1-4927
CNS1992 1-4927
EACC 276076
GB0 5164
GB1 6637
Jis0 4530
KSC0 6989
MainlandTelegraph 0151
TaiwanTelegraph 0151
Xerox 252:301


Complete Record

Property Value
Age (age) 1.1
Unicode Name (na) CJK UNIFIED IDEOGRAPH-4F59
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) 余
Lowercase (Lower)
Simple Lowercase Mapping (slc) 余
Lowercase Mapping (lc) 余
Uppercase (Upper)
Simple Uppercase Mapping (suc) 余
Uppercase Mapping (uc) 余
Simple Titlecase Mapping (stc) 余
Titlecase Mapping (tc) 余
Case Folding (cf) 余
ASCII Hex Digit (AHex)
Alphabetic (Alpha)
Bidi Control (Bidi_C)
Bidi Mirrored (Bidi_M)
Bidi Paired Bracket (bpb) 余
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) 余
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) G0-5360
kIRG_HSource (kIRG_HSource) HB1-
kIRG_JSource (kIRG_JSource) J0-4D3E
kIRG_KPSource (kIRG_KPSource) KP0-F8C
kIRG_KSource (kIRG_KSource) K0-6579
kIRG_TSource (kIRG_TSource) T1-4927
kIRG_VSource (kIRG_VSource) V1-4B3
kIRGDaeJaweon (kIRGDaeJaweon) 0208.090
kIRGDaiKanwaZiten (kIRGDaiKanwaZiten) 00515
kIRGHanyuDaZidian (kIRGHanyuDaZidian) 10128.040
kIRGKangXi (kIRGKangXi) 0099.020
kBigFive (kBigFive) A745
kCangjie (kCangjie) OMD
kCantonese (kCantonese) jyu4
kCCCII (kCCCII) 213131
kCihaiT (kCihaiT) 97.601
kCNS1986 (kCNS1986) 1-4927
kCNS1992 (kCNS1992) 1-4927
kCowles (kCowles) 4886
kDaeJaweon (kDaeJaweon) 0208.090
Unihan Definition (kDefinition) I, my, me; surname; surplus
kEACC (kEACC) 276076
kFenn (kFenn) 31F
kFennIndex (kFennIndex) 643.03
kFourCornerCode (kFourCornerCode) 8090.4
kFrequency (kFrequency) 4
kGB0 (kGB0) 5164
kGB1 (kGB1) 6637
kGSR (kGSR) 0082a
kHangul (kHangul)
kHanYu (kHanYu) 10128.040
kHanyuPinlu (kHanyuPinlu) yú(287)
kHanyuPinyin (kHanyuPinyin) 10128.040:yú,tú,xú,yù
kHKGlyph (kHKGlyph) 0128
kJapaneseKun (kJapaneseKun) AMARU WARE AMARI
kJapaneseOn (kJapaneseOn) YO
kJis0 (kJis0) 4530
kKangXi (kKangXi) 0099.020
kKorean (kKorean) YE
kKPS0 (kKPS0) F8C9
kKSC0 (kKSC0) 6989
kMainlandTelegraph (kMainlandTelegraph) 0151
kMandarin (kMandarin)
kMatthews (kMatthews) 7605
kMeyerWempe (kMeyerWempe) 3633
kMorohashi (kMorohashi) 00515
kNelson (kNelson) 0408 5168
kPhonetic (kPhonetic) 1610
Radical Stroke Count (Adobe Japan 1-6) (kRSAdobe_Japan1_6) C+3880+9.2.5
Radical Stroke Count (KangXi) (kRSKangXi) 9.5
Radical Stroke Count (Unicode) (kRSUnicode) 9.5
kSBGY (kSBGY) 067.40 169.01
Semantic Variant (kSemanticVariant) 予
Simplified Variant (kSimplifiedVariant) 余
kTaiwanTelegraph (kTaiwanTelegraph) 0151
kTang (kTang) *iu iu
Stroke Number (kTotalStrokes) 7
Traditional Variant (kTraditionalVariant) 余 餘
kVietnamese (kVietnamese)
kXerox (kXerox) 252:301
kXHC1983 (kXHC1983) 1408.170:yú
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) 余
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) 余
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)