ᶑ

See also: and Appendix:Variations of "d"

ᶑ	U+1D91, ᶑ LATIN SMALL LETTER D WITH HOOK AND TAIL

Character variations

𐞍	U+1078D, 𐞍 MODIFIER LETTER SMALL D WITH HOOK AND TAIL

English Wikipedia has an article on:

D with hook and tail

Wikipedia

Translingual

ᶑ

(IPA, implied) a voiced retroflex implosive.
(superscript ⟨𐞍 ⟩, IPA) [ᶑ ]-release, [ᶑ ]-coloring, or a weak, fleeting or epenthetic [ᶑ ].