Kubva muna Ndira kusvika Kubvumbi 2006, Cameron akashanda pane script uye akavandudza tsika yevatorwa vemufirimu, iyo Na'vi. Mutauro wavo wakagadzirwa naDr. Paul Frommer, nyanzvi yemitauro kuUSC. Mutauro weNa'vi une lexicon yemazwi angangoita chiuru, aine makumi matatu akawedzerwa naCameron. Mafonema emutauro uyu anosanganisira mabhatani ekuburitsa (senge "kx" mu "skxawng") anowanikwa mumutauro weAmharic weEthiopia, uye yekutanga "ng" iyo Cameron angangodaro akatora kubva kuNew Zealand. Mutambi Sigourney Weaver uye vagadziri vemufirimu vakasangana naJodie S. Holt, purofesa wezvirimwa wefizikisi kuCalifornia, Riverside, kuti vadzidze nezvenzira dzinoshandiswa nevanyori kudzidza nezvezvirimwa, uye nzira dzekutaurirana pakati pevanhu naPandora.
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