Kral (English) comes from Slovak Kráľ, from Slovak kráľ, from Proto-Slavic korľь, from Old High German karl, from Proto-Germanic karilaz, from Proto-Germanic karaz, from Proto-Indo-European ǵerh₂- — to grow old, to mature.
Ancestry of “Kral”, step by step
Kral traces back through 3 separate lines of ancestry.