Hochschild (German) comes from German hōch, from Middle High German hōch, from Old High German hōh, from Proto-West Germanic hauh, from Proto-Germanic hauhaz, from Proto-Indo-European ḱewk- — flare up, glow; white; to glow, burn, lighten.
Ancestry of “Hochschild”, step by step
Hochschild traces back through two separate lines of ancestry.