The story
Borrowed from Mandarin 白左 (báizuǒ, “white left”), derived from 白種人／白种人 (báizhǒngrén, “White person”) + 左派 (zuǒpài, “left-wing”).
Etymology from Wiktionary, CC BY-SA 4.0.
baizuo
Today it means: a Western leftist perceived as condescending or ignorant. Full definition →