U+FDAB "ﶫ" Arabic Ligature Dad with Hah with Yeh Final Form Unicode Character

Unicode Version 17.0

U+FDAB "ﶫ" Arabic Ligature Dad with Hah with Yeh Final Form is a typographic ligature used in the Arabic script, representing a specific combination of the letters Dād, Ḥāʼ, and Yāʼ in their final positional form. This character is part of the Arabic Presentation Forms-A block, which encodes precomposed glyphs for improved text rendering in traditional calligraphy or justified typesetting. It appears at the end of a word and is primarily employed in classical or religious texts, such as the Quran, where such ligatures preserve historical scribal conventions and ensure precise character shaping for readability. While rarely used in modern digital typography, it remains supported for legacy and specialized applications in Unicode.

General Properties

Code Point U+FDAB
Version Added 1.1
Name Arabic Ligature Dad with Hah with Yeh Final Form
Block Arabic Presentation Forms-A
General Category Other Letter
Canonical Combining Class Not Reordered
Bidirectional Class Arabic Letter
Decomposition Type Final
Decomposition Mapping "ض" U+0636 Arabic Letter Dad
"ح" U+062D Arabic Letter Hah
"ي" U+064A Arabic Letter Yeh

Encodings

HTML Decimal Encoding ﶫ
HTML Hex Encoding ﶫ
UTF-8 Encoding 0xEF 0xB6 0xAB
UTF-16 Encoding 0xFDAB
UTF-32 Encoding 0x0000FDAB
C/C++/Java Escape \ufdab

Unicode Properties

NFC Quick Check Yes
NFD Quick Check Yes
Numeric Type None
Numeric Value NaN
Line Break Alphabetic
Changes When NFKC Casefolded Yes
NFKC Casefold "ض" U+0636 Arabic Letter Dad
"ح" U+062D Arabic Letter Hah
"ي" U+064A Arabic Letter Yeh
NFKC Simple Casefold "ض" U+0636 Arabic Letter Dad
"ح" U+062D Arabic Letter Hah
"ي" U+064A Arabic Letter Yeh
Script Arabic
Script Extensions Arabic
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 OLetter