◌᪰

◌᪰ U+1AB0, ᪰ COMBINING DOUBLED CIRCUMFLEX ACCENT [unassigned: U+1AAE–U+1AAF] ← ᪭ [U+1AAD] Combining Diacritical Marks Extended ◌᪱ → [U+1AB1]

Translingual

Design

An acute–grave–acute–grave ligature

Diacritical mark

◌᪰

1. (IPA, rare) a falling-rising-falling tone.
2. (Teuthonista) an over-long vowel, contrasting with long ⟨◌̄⟩ and half-long ⟨◌̂⟩.