Adopted 28 April 1936 on 93H/2 as labeled on Reference Map 3G "Quesnel" (1935). Previously labeled as "Long Lake" on Reference Map 3G "Quesnel" (1914, 1921, 1927) and Reference Map 3H "Tête-Jaune" (1914, 1915, 1919, 1923, 1931).
Source: BC place name cards & correspondence, and/or research by BC Chief Geographer & Geographical Names Office staff.
"Lanezi" recorded as being the Dak'elh word for "ten" (p. 71B).
Source: Tolmie, W.F. & Dawson, G.M; "Comparative Vocabularies of the Indian Tribes of British Columbia"; Geological & Natural History Survey of Canada, 1884