imbrue
To stain [with in or with ‘blood, slaughter, etc.’].
transitive
My hands were imbrued in his blood.
Where it comes from
From Middle English embrewen, from Old French *embrever (whence Middle French embreuver), metathetic variant of embevrer (“to imbibe, steep, penetrate, soak”) (with same stem variation found in French abreuver and beuverie), from Vulgar Latin imbiberāre.
Adapted from the Wiktionary entry imbrue (CC BY-SA 4.0).