firebathEtymologyFrom Middle English *fyrebath, from Old English fȳrbæþ (“fire-bath”), equivalent to fire + bath.firebath means A bath in intense heat; sauna. Lexicurio rates it Sui generis — a strength score of 89 out of 100.nounA bath in intense heat; sauna.“A central daily event in men's lives was the firebath, which was like a sauna with intense radiant heat.”