U+1FC4 "ῄ" Greek Small Letter Eta with Oxia and Ypogegrammeni Unicode Character

U+1FC4 "ῄ" Greek Small Letter Eta with Oxia and Ypogegrammeni is a composite glyph used in the polytonic orthography of the Greek language, combining the vowel eta, an oxia (acute accent) indicating a high pitch, and a subscript iota (ypogegrammeni) that marks a long diphthong or a historical iota after the vowel, typically found in ancient or liturgical Greek texts to represent a specific grammatical form.

General Properties

Code Point	U+1FC4
Version Added	1.1
Name	Greek Small Letter Eta with Oxia and Ypogegrammeni
Block	Greek Extended
General Category	Lowercase Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right
Decomposition Type	Canonical
Decomposition Mapping	"ή" U+03AE Greek Small Letter Eta with Tonos "ͅ" U+0345 Combining Greek Ypogegrammeni

Encodings

HTML Decimal Encoding	ῄ
HTML Hex Encoding	ῄ
UTF-8 Encoding	0xE1 0xBF 0x84
UTF-16 Encoding	0x1FC4
UTF-32 Encoding	0x00001FC4
C/C++/Java Escape	\u1fc4

Unicode Properties

NFC Quick Check	Yes
NFKC Quick Check	Yes
Numeric Type	None
Numeric Value	NaN
Line Break	Alphabetic
Lowercase	Yes
Uppercase Code Point	"Ή" U+0389 Greek Capital Letter Eta with Tonos "Ι" U+0399 Greek Capital Letter Iota
Titlecase Code Point	"Ή" U+0389 Greek Capital Letter Eta with Tonos "ͅ" U+0345 Combining Greek Ypogegrammeni
Case Folding	"ή" U+03AE Greek Small Letter Eta with Tonos "ι" U+03B9 Greek Small Letter Iota
Cased	Yes
Changes When Casefolded	Yes
Changes When Casemapped	Yes
Changes When NFKC Casefolded	Yes
Changes When Titlecased	Yes
Changes When Uppercased	Yes
NFKC Casefold	"ή" U+03AE Greek Small Letter Eta with Tonos "ι" U+03B9 Greek Small Letter Iota
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