What does 江戸 mean?
江戸 is a Japanese noun meaning “Edo (shogunate capital; former name of Tokyo); Yedo” in English. It is written as 江戸 in kanji, えど in hiragana, and edo in romaji. This word is part of JLPT N3 vocabulary.
Example sentence
外国人の一団が江戸、つまり東京に到着した。
A group of foreigners arrived in Edo, i.e. Tokyo.