Type Word Usage Nguni, Sotho, Bantu Meaning & History Nguni [1] and Sotho-Tswana [2] word meaning "be happy, be delighted". Related ItemsDetails Given Name DescendantsThabani(Ndebele) Lethabo, Rethabile, Thabo(Sotho) Lethabo, Thabang, Thabo(Tswana) Thabani(Zulu) Sources & References Page at https://isizulu.net/?thaba. Page at http://www.sesotho.org/dictionary/.