upboil (English) comes from English boil, from Middle English bile, from Old English bȳl, from Proto-Germanic būlō, from Proto-Indo-European bʰel-, from Proto-Indo-European bʰōl-.
upboil (English): To boil upward
Definitions
To boil upward
Ancestry of “upboil”, step by step
upboil traces back through two separate lines of ancestry.