κυβερνήτης is the ancient word too. Maybe they were trying to word play with cube, which by the way also comes from κύβος-kyvos and not kuvos. Exactly same mean

κυβερνήτης is the ancient word too. Maybe they were trying to word play with cube, which by the way also comes from κύβος-kyvos and not kuvos. Exactly same meaning as far as I know, wonder what the cursory google came up as the difference in meaning. Also root for cybernetics...