dolduunu
Dolduunu is a term used in speculative worldbuilding and fictional linguistics to describe a ritual vocal practice that functions as a social glue in a fictional community. In most depictions, dolduunu involves a sequence of sustained vocalizations performed during communal gatherings, rites of passage, and seasonal ceremonies. The practice is typically described as performative, with participants joining in at different tempi or registers, and sometimes accompanied by handclaps or simple percussion.
Etymology: The word dolduunu is often presented as a synthetic term created for worldbuilding; in fictive phonology
Practice and variants: Dolduunu can be polyphonic or in unison; in some sources it is a call-and-response
Function and portrayal: The ritual is used to transmit oral histories, mark community membership, coordinate collective
Reception and use: Dolduunu appears in worldbuilding guides and speculative fiction as an example of how ritual