Voiced postalveolar affricate
A voiced palato-alveolar sibilant affricate, voiced post-alveolar affricate, or voiced domed postalveolar sibilant affricate is a type of consonantal sound, used in some spoken languages. It is familiar to English-speakers as the "j" sound in "jump".
Source: Wikipedia — Voiced postalveolar affricate (CC BY-SA 4.0)