Cadeisha appears to be a modern English-American coinage built from the popular Ca-/Ka- prefix with a decorative ending.
Cadeisha appears to be a modern English-American coinage built from the popular Ca- or Ka- opening and a decorative feminine ending. Names like this are often shaped less by old etymology than by sound pattern, family preference, and the broader rhythm of contemporary naming.
Even so, they belong to a recognizable tradition of inventive names that feel individualized while still echoing familiar forms. Cadeisha has a lively, polished sound that makes it feel expressive and modern. The name seems designed for movement: it is open, musical, and distinctly current in flavor.
Because it does not derive from a single classical source, its meaning comes more from usage than from dictionary etymology, and that usage gives it warmth and personality. Cadeisha feels like a name that wants to be memorable, affectionate, and unmistakably personal.