Where does “cobarde” come from?

cobarde (Spanish) comes from French couard, from French queue, from Middle French queu, from Old French cue, from Vulgar Latin coda, from Latin cauda, from Proto-Italic kaudā, from Proto-Indo-European keh₂udeh₂.

cobarde (Spanish): cowardly, craven, gutless, spineless, dastardly;...