Definition of heart-blood in English:

heart-blood

noun

  • 1Blood from the heart; blood shed in death; vital blood. More generally: blood.

  • 2Figurative. Something that gives energy or vitality to a place, institution, enterprise, etc.; a driving force.

Origin

Middle English; earliest use found in Ancrene Riwle. From heart + blood. Probably originally reflecting a genitive compound with unmarked first element.

Pronunciation

heart-blood

/ˈhɑːtblʌd/