Source: BC place name cards, or correspondence to/from BC's Chief Geographer or BC Geographical Names Office
Great, large (G.M. Dawson's List of Tahltan Words, Canadian Geological Survey annuarl report 1887-88, Pt. 1, Appendix II, p.208B)
Source: included with note
According to E.R. McMinn, BCLS, who conducted surveys in this area in 1955, Etsho is a Dene word for "great" or "large" and might refer to the Etsho Plateau above the escarpment.
Source: BC place name cards, or correspondence to/from BC's Chief Geographer or BC Geographical Names Office