found: Work cat.: Nurse, Derek. Inheritance, contact, and change in two East African languages, 2000:page 15 (Daiso; Daisu) page 16 (most closely related to the E50 languages of Central Kenya: Sonjo, Gikuyu, Emba, Meru, Chuka, Tharaka, and Kamba. Within E50, Daiso is most similar and closely related to Kamba) page 17 (There has long been confusion over the terms Daiso and Segeju. The people of the Bwiti area call themselves Daiso. The Swahili name for these people and for the coastal population, who speak a different language, a form of Digo, is Segeju. The Daiso accept the label Segeju)
found: Ethnologue, 2017(Dhaiso, a language of Tanzania; dhs; UF Daiso, Daisu, Kidhaiso, Kisegeju, Segeju, Sengeju; location: Tanga region: Muheza district, east Usambara mountains, Bwiti and Magati villages; Niger-Congo ... Narrow Bantu, Central, E, Kikuyu-Kamba (E.56)) (Segeju, a language of Tanzania (moribund); seg; location: Tanga region: Muheza district, narrow strip of northeast coast between Tanga and Kenya border; Niger-Congo ... Narrow Bantu, Central, E, Nyika-Taita (E.731). Closely related to Digo. People were historically one with the Dhaiso)
found: Linguasphere, 2000(99-AUM-ba; ki-daiso; UF -daiso, ke-daiso, ki-dhaiso, segeju, sageju, sengeju; Tanzania (Tanga))
found: NUGL 2009, viewed July 18, 2017(E56: Daisu, "Se(n)geju"; Kikuyu-Kamba Group)