clavi- I. combining form orclavo- Etymology: Medieval Latin clavi-, from Latin, from clavis key — more at clavicle 1.: key : keyboard < clavichord > < clavilux > 2.[New Latin clavi-, clavo-, from Latin clavi-]: clavicle : clavicular : clavicular and < clavipectoral > < clavodeltoid > II. combining form Etymology: New Latin, from Latin, from clava; perhaps akin to Latin clavis : club < Clavicornia > < claviform >