Edo River / Edogawa (one of 23 special wards in Tokyo prefecture, Japan) / a surname

going downstream, e.g. in a boat

a surname

national / country

a land, a large place / a country in general, a region / a country as in a nation, a state

Shatt al-Arab, a river in Southwest Iraq

Kyūjitai form of 江戸川

a surname

chickens come home to roost, so you should be prepared for your curse to come back to you. Also said to admonish someone against cursing another person casually.

an independent state