person of mixed race; mestizo
Refers to a person with mixed racial heritage. The term is neutral but may be considered somewhat clinical or dated in some contexts; ハーフ is more common in everyday conversation.
He is a person of mixed Japanese and American heritage.
I am researching the history of people of mixed race.
Compound of 混血 (mixed blood) + 人 (person). The exact historical derivation is uncertain, but the term follows standard Sino-Japanese word formation patterns.