Voiceless labial–palatal fricative
A voiceless labial–palatal fricative is a type of consonantal sound, used in some spoken languages. The symbol in the International Phonetic Alphabet that represents this sound – more accurately called a voiceless labialized palatal fricative – is ⟨çʷ⟩, ⟨çᵝ⟩, or ⟨çᶣ⟩.
Source: Wikipedia — Voiceless labial–palatal fricative (CC BY-SA 4.0)