Patronymic from Qnaz, a Kenizzite or descendant of Kenaz -- Kenezite, Kenizzites.
see HEBREW Qnaz
H7074. Qenizzi
קְנִזִּי adjective, of a people, with article ׳הַקּ, of Caleb Numbers 32:12; Joshua 14:6, 14 (all J E); as n.collective Genesis 15:19 (in list; apparently South Canaanitish people).
קֵנִי see קֵינִי. p 884