Source: Noto Sans ImpAramaic

U+10843 Imperial Aramaic Letter Daleth

U+10843 was added to Unicode in version 5.2 (2009). It belongs to the block U+10840 to U+1085F Imperial Aramaic in the U+10000 to U+1FFFF Supplementary Multilingual Plane.

This character is a Other Letter and is mainly used in the Imperial Aramaic script.

The glyph is not a composition. It has a Neutral East Asian Width. In bidirectional context it acts as Right To Left and is not mirrored. In text U+10843 behaves as Alphabetic regarding line breaks. It has type Other Letter for sentence and Alphabetic Letter for word breaks. The Grapheme Cluster Break is Any.

The Wikipedia has the following information about this codepoint:

Dalet (dāleth, also spelled Daleth or Daled) is the fourth letter of the Semitic abjads, including Phoenician Dālet 𐤃, Hebrew Dālet ד, Aramaic Dālath , Syriac Dālaṯ ܕ, and Arabic Dāl د (in abjadi order; 8th in modern order). Its sound value is the voiced alveolar plosive ([d]).
The letter is based on a glyph of the Proto-Sinaitic script, probably called dalt "door" (door in Modern Hebrew is delet), ultimately based on a hieroglyph depicting a door:

Representations

System	Representation
Nº	67651
UTF-8	F0 90 A1 83
UTF-16	D8 02 DC 43
UTF-32	00 01 08 43
URL-Quoted	%F0%90%A1%83
HTML hex reference	𐡃
Wrong windows-1252 Mojibake	ð¡ƒ

Elsewhere

Complete Record

Property	Value
Age	5.2 (2009)
Unicode Name	IMPERIAL ARAMAIC LETTER DALETH
Unicode 1 Name	—
Block	Imperial Aramaic
General Category	Other Letter
Script	Imperial Aramaic
Bidirectional Category	Right To Left
Combining Class	Not Reordered
Decomposition Type	None
Decomposition Mapping	Imperial Aramaic Letter Daleth
Lowercase	✘
Simple Lowercase Mapping	Imperial Aramaic Letter Daleth
Lowercase Mapping	Imperial Aramaic Letter Daleth
Uppercase	✘
Simple Uppercase Mapping	Imperial Aramaic Letter Daleth
Uppercase Mapping	Imperial Aramaic Letter Daleth
Simple Titlecase Mapping	Imperial Aramaic Letter Daleth
Titlecase Mapping	Imperial Aramaic Letter Daleth
Case Folding	Imperial Aramaic Letter Daleth
ASCII Hex Digit	✘
Alphabetic	✔
Bidi Control	✘
Bidi Mirrored	✘
Composition Exclusion	✘
Case Ignorable	✘
Changes When Casefolded	✘
Changes When Casemapped	✘
Changes When NFKC Casefolded	✘
Changes When Lowercased	✘
Changes When Titlecased	✘
Changes When Uppercased	✘
Cased	✘
Full Composition Exclusion	✘
Default Ignorable Code Point	✘
Dash	✘
Deprecated	✘
Diacritic	✘
Emoji Modifier Base	✘
Emoji Component	✘
Emoji Modifier	✘
Emoji Presentation	✘
Emoji	✘
Extender	✘
Extended Pictographic	✘
FC NFKC Closure	Imperial Aramaic Letter Daleth
Grapheme Cluster Break	Any
Grapheme Base	✔
Grapheme Extend	✘
Grapheme Link	✘
Hex Digit	✘
Hyphen	✘
ID Continue	✔
ID Start	✔
IDS Binary Operator	✘
IDS Trinary Operator and	✘
Ideographic	✘
Indic Mantra Category	—
Indic Positional Category	NA
Indic Syllabic Category	Other
Jamo Short Name	—
Join Control	✘
Logical Order Exception	✘
Math	✘
Noncharacter Code Point	✘
NFC Quick Check	Yes
NFD Quick Check	Yes
NFKC Casefold	Imperial Aramaic Letter Daleth
NFKC Quick Check	Yes
NFKD Quick Check	Yes
Other Alphabetic	✘
Other Default Ignorable Code Point	✘
Other Grapheme Extend	✘
Other ID Continue	✘
Other ID Start	✘
Other Lowercase	✘
Other Math	✘
Other Uppercase	✘
Prepended Concatenation Mark	✘
Pattern Syntax	✘
Pattern White Space	✘
Quotation Mark	✘
Regional Indicator	✘
Radical	✘
Sentence Break	Other Letter
Soft Dotted	✘
Sentence Terminal	✘
Terminal Punctuation	✘
Unified Ideograph	✘
Variation Selector	✘
Word Break	Alphabetic Letter
White Space	✘
XID Continue	✔
XID Start	✔
Expands On NFC	✘
Expands On NFD	✘
Expands On NFKC	✘
Expands On NFKD	✘
Bidi Paired Bracket	Imperial Aramaic Letter Daleth
Bidi Paired Bracket Type	None
East Asian Width	Neutral
Hangul Syllable Type	Not Applicable
ISO 10646 Comment	—
Joining Group	No_Joining_Group
Joining Type	Non Joining
Line Break	Alphabetic
Numeric Type	None
Numeric Value	not a number
Simple Case Folding	Imperial Aramaic Letter Daleth
Script Extension
Vertical Orientation	R