U+1EDF "ở" Latin Small Letter O with Horn and Hook Above Unicode Character

U+1EDF "ở" Latin Small Letter O with Horn and Hook Above is a specialized alphabetic symbol used primarily in the Vietnamese language, where it represents the letter "o" with a diacritic horn attached to its right side and a hook above indicating a low-falling-rising tone. This character is part of the Latin Extended Additional block and is essential for accurately writing and pronouncing Vietnamese words, as it modifies the base vowel to reflect a distinct phonological quality. It is commonly found in romanized Vietnamese text, supporting the language's complex tonal and diacritic system.

General Properties

Code Point	U+1EDF
Version Added	1.1
Name	Latin Small Letter O with Horn and Hook Above
Block	Latin Extended Additional
General Category	Lowercase Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right
Decomposition Type	Canonical
Decomposition Mapping	"ơ" U+01A1 Latin Small Letter O with Horn "̉" U+0309 Combining Hook Above

Encodings

HTML Decimal Encoding	ở
HTML Hex Encoding	ở
UTF-8 Encoding	0xE1 0xBB 0x9F
UTF-16 Encoding	0x1EDF
UTF-32 Encoding	0x00001EDF
C/C++/Java Escape	\u1edf

Unicode Properties

NFC Quick Check	Yes
NFKC Quick Check	Yes
Numeric Type	None
Numeric Value	NaN
Line Break	Alphabetic
Lowercase	Yes
Simple Uppercase Code Point	"Ở" U+1EDE Latin Capital Letter O with Horn and Hook Above
Simple Titlecase Code Point	"Ở" U+1EDE Latin Capital Letter O with Horn and Hook Above
Uppercase Code Point	"Ở" U+1EDE Latin Capital Letter O with Horn and Hook Above
Titlecase Code Point	"Ở" U+1EDE Latin Capital Letter O with Horn and Hook Above
Cased	Yes
Changes When Casemapped	Yes
Changes When Titlecased	Yes
Changes When Uppercased	Yes
Script	Latin
Script Extensions	Latin
Indic Syllabic Category	Other
ID Start	Yes
XID Start	Yes
ID Continue	Yes
XID Continue	Yes
Alphabetic	Yes
Vertical Orientation	Rotated
Grapheme Base	Yes
Grapheme Cluster Break	Other
Word Break	Alphabetic letter
Sentence Break	Lower