Bloodbath

wiktionary

ref

Coined in 1867. Compound of blood +‎ bath, the latter used referring to a metaphorical deluge. Compare West Frisian bloedbad(“bloodbath”), Dutch bloedbad(“bloodbath”), German Blutbad(“bloodbath”), Danish blodbad(“bloodbath”), Norwegian Bokmål blodbad(“bloodbath”), Swedish blodbad(“bloodbath”), Icelandic blóðbad(“bloodbath”).