Eth ð with a down tack, the IPA convention for a dental approximant.
Turned ð, an uncommon dedicated letter for IPA [ð̞]. Not in Unicode, it can be substituted with ϼ.

Translingual edit

Design edit

⟨ð⟩ with a down tack.

Symbol edit

ð̞

  1. (IPA) a voiced dental approximant.