词源字典

*er- (2)

*en

*em-

*el-

*ekwo-

*ei-

*ed-

*dyeu-

*dwo-

*do-

*dnghu-

*dlegh-

*dhwer-

*dhghem-

*dheu- (1)

*dhes-

*dher-

*dheigw-

*dheigh-

*dhe-