migr=remove,表示“迁移”"
migrate v 迁移,移居(migr+ate)
migratory a 移居的,漂泊的(migr+atory)
migrant n 候鸟,迁移者(migr+ant人或物→迁移的鸟→候鸟)
emigrate v 移居(外国)(e出+migr+ate→移出)
émigré n 移居境外者;流亡者(e出+migre移)
immigrate v 移居;入境(im进+migr+ate→移进)
transmigration n 移居(trans交换+migr+ation→交换移→移居)
migraine n 偏头痛(migr+ine→移来移去的[头痛]→偏头痛)