U+A770 "ꝰ" Modifier Letter Us Unicode Character

U+A770 "ꝰ" Modifier Letter Us is a specialized typographic mark used in medieval and early modern scribal abbreviations, particularly in Latin and Old English manuscripts. It functions as a superscript or modifying letter that indicates the abbreviation of the word "us," often appearing at the end of a word to denote a contracted Latin suffix. This character belongs to the Latin Extended-D block and was added to Unicode to support the accurate digital representation of historical texts, where it enabled scribes to save space and speed up writing. Its use is primarily scholarly, aiding in the faithful reproduction of archaic manuscripts without relying on font substitutions or modern approximations.

General Properties

Code Point	U+A770
Version Added	5.1
Name	Modifier Letter Us
Block	Latin Extended-D
General Category	Modifier Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right
Decomposition Type	Super
Decomposition Mapping	"ꝯ" U+A76F Latin Small Letter Con

Encodings

HTML Decimal Encoding	ꝰ
HTML Hex Encoding	ꝰ
UTF-8 Encoding	0xEA 0x9D 0xB0
UTF-16 Encoding	0xA770
UTF-32 Encoding	0x0000A770
C/C++/Java Escape	\ua770

Unicode Properties

NFC Quick Check	Yes
NFD Quick Check	Yes
Numeric Type	None
Numeric Value	NaN
Line Break	Alphabetic
Lowercase	Yes
Other Lowercase	Yes
Case Ignorable	Yes
Cased	Yes
Changes When NFKC Casefolded	Yes
NFKC Casefold	"ꝯ" U+A76F Latin Small Letter Con
NFKC Simple Casefold	"ꝯ" U+A76F Latin Small Letter Con
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