See also: NSO and -nso Translingual Etymology Abbreviation of English Northern Sotho. Symbol nso (international standards) ISO 639-2 & ISO 639-3 language code for Northern Sotho. See also Wiktionary’s coverage of Northern Sotho terms Lingala Etymology Borrowed from Bangi nco. Adjective nso allWikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads