𝒬

Symbol

 * 1)  abbreviation for quintessence,  
 * 2)  letter in Doke (1925) for a voiced alveolar click (presumably inspired by the letter Q for this click in Zulu and Xhosa)
 * 1)  letter in Doke (1925) for a voiced alveolar click (presumably inspired by the letter Q for this click in Zulu and Xhosa)