noun
Jurchen pirate tribe that invaded Tsushima in 1019
Historical term referring to the Jurchen pirates who attacked Tsushima and other parts of northern Kyushu during the Heian period. The name is derived from the Korean word 'doe' (되) meaning 'barbarian'.
from Korean doe
刀伊の入寇は1019年に起こった。
The Toi invasion occurred in 1019.
刀伊は女真族の一派とされる。
The Toi are considered a branch of the Jurchen people.