bloodstaining1
/ˈblʌdsteɪnɪŋ/noun
Staining with blood; an instance of this.
Origin
Mid 19th century; earliest use found in The Lancet. Either from blood + staining, or from bloodstain + -ing.
bloodstaining2
/ˈblʌdsteɪnɪŋ/adjective
Characterized by wounding or injury (literal and figurative ); that stains something with blood.
Origin
Late 18th century. From blood + staining. Compare earlier bloodstained and later bloodstain.