quadroon
/kwɒˈdruːn/noun
- a person whose parents are a mulatto and a white person and who is therefore one-quarter black by descent夸德隆（有1/4黑人血统的人, 即白人与黑白混血儿摩拉托所生的孩子）。
词源
early 18th cent. （earlier as quarteron）： via French from Spanish cuarterón, from cuarto 'quarter'， from Latin quartus; later assimilated to words beginning with QUADRI-.