köken: Clipping of ยุ่นปี่ (yûn-bpìi), a spoonerism of ญี่ปุ่น (yîi-bpùn, “Japan”).
cmn倭寇, 小八嘎, 小日子, 小日本, 小日本兒 /小日本儿, 日本鬼子
yue㗎仔, 蘿蔔頭 /萝卜头
Etimoloji
Borrowed from Czech Japonec or Russian япо́нец (japónec). By surface analysis, Japonia + -ec. For noun 2 sense 2, it was believed that this fish was a subspecies of the goldfish (Carassius auratus; Polish karaś chiński), which is native to Asia (including Japan).