U+1F21 "ἡ" Greek Small Letter Eta with Dasia Unicode Character

U+1F21 "ἡ" Greek Small Letter Eta with Dasia is a precomposed form of the Greek letter eta (ἡ) combined with a dasia, which is the rough breathing mark in ancient Greek indicating an initial /h/ sound. This character is part of the Greek Extended block and is used primarily in ancient Greek texts to represent the word for "the" in its feminine nominative singular form, as well as the feminine relative pronoun. Its inclusion in Unicode ensures accurate representation and processing of classical Greek script, preserving the nuanced diacritical system that is essential for scholarly work, digital typography, and historical linguistic studies.

General Properties

Code Point	U+1F21
Version Added	1.1
Name	Greek Small Letter Eta with Dasia
Block	Greek Extended
General Category	Lowercase Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right
Decomposition Type	Canonical
Decomposition Mapping	"η" U+03B7 Greek Small Letter Eta "̔" U+0314 Combining Reversed Comma Above

Encodings

HTML Decimal Encoding	ἡ
HTML Hex Encoding	ἡ
UTF-8 Encoding	0xE1 0xBC 0xA1
UTF-16 Encoding	0x1F21
UTF-32 Encoding	0x00001F21
C/C++/Java Escape	\u1f21

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	"Ἡ" U+1F29 Greek Capital Letter Eta with Dasia
Simple Titlecase Code Point	"Ἡ" U+1F29 Greek Capital Letter Eta with Dasia
Uppercase Code Point	"Ἡ" U+1F29 Greek Capital Letter Eta with Dasia
Titlecase Code Point	"Ἡ" U+1F29 Greek Capital Letter Eta with Dasia
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