U+1F42 "ὂ" Greek Small Letter Omicron with Psili and Varia Unicode Character

U+1F42 "ὂ" Greek Small Letter Omicron with Psili and Varia is a precomposed character used in polytonic Greek script, combining the omicron letter with a psili (smooth breathing mark) on top and a varia (grave accent) to its left, indicating a specific pronunciation and tonal inflection in ancient or liturgical Greek contexts. This character appears in historical texts, scholarly editions of classical works, and modern religious writings that preserve the traditional Greek diacritic system, where the psili denotes the absence of an initial aspiration and the varia signals a falling pitch.

General Properties

Code Point	U+1F42
Version Added	1.1
Name	Greek Small Letter Omicron with Psili and Varia
Block	Greek Extended
General Category	Lowercase Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right
Decomposition Type	Canonical
Decomposition Mapping	"ὀ" U+1F40 Greek Small Letter Omicron with Psili "̀" U+0300 Combining Grave Accent

Encodings

HTML Decimal Encoding	ὂ
HTML Hex Encoding	ὂ
UTF-8 Encoding	0xE1 0xBD 0x82
UTF-16 Encoding	0x1F42
UTF-32 Encoding	0x00001F42
C/C++/Java Escape	\u1f42

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	"Ὂ" U+1F4A Greek Capital Letter Omicron with Psili and Varia
Simple Titlecase Code Point	"Ὂ" U+1F4A Greek Capital Letter Omicron with Psili and Varia
Uppercase Code Point	"Ὂ" U+1F4A Greek Capital Letter Omicron with Psili and Varia
Titlecase Code Point	"Ὂ" U+1F4A Greek Capital Letter Omicron with Psili and Varia
Cased	Yes
Changes When Casemapped	Yes
Changes When Titlecased	Yes
Changes When Uppercased	Yes
Script	Greek
Script Extensions	Greek
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