U+FC78 "ﱸ" Arabic Ligature Theh with Meem Final Form Unicode Character

U+FC78 "ﱸ" Arabic Ligature Theh with Meem Final Form is a typographic ligature used in Arabic script to represent the joined combination of the letters Theh (ث) and Meem (م) when they appear in the final position of a word, typically for improved calligraphic aesthetics or to match historical typesetting conventions. This character belongs to the Arabic Presentation Forms-A block and is part of a collection of precomposed ligatures that were commonly used in older font standards to simplify complex letter combinations. It should be noted that modern Unicode usage generally separates the component letters, with U+FC78 existing primarily for compatibility with legacy texts.

General Properties

Code Point	U+FC78
Version Added	1.1
Name	Arabic Ligature Theh with Meem 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	"ث" U+062B Arabic Letter Theh "م" U+0645 Arabic Letter Meem

Encodings

HTML Decimal Encoding	ﱸ
HTML Hex Encoding	ﱸ
UTF-8 Encoding	0xEF 0xB1 0xB8
UTF-16 Encoding	0xFC78
UTF-32 Encoding	0x0000FC78
C/C++/Java Escape	\ufc78

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	"ث" U+062B Arabic Letter Theh "م" U+0645 Arabic Letter Meem
NFKC Simple Casefold	"ث" U+062B Arabic Letter Theh "م" U+0645 Arabic Letter Meem
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