Tokyo dialect (esp. historical)
Refers to the dialect of Tokyo, often in historical contexts. Contrasts with 下町言葉 (Shitamachi dialect) and 山の手言葉 (Yamanote dialect).
The Tokyo dialect of the Edo period became the foundation of modern standard Japanese.
The Tokyo dialect has two lineages: the Shitamachi dialect and the Yamanote dialect.
Refers to the more refined dialect of Tokyo's Yamanote area, another subset of 東京語.
Modern standard Japanese, which is largely based on the Tokyo dialect but is a standardized form rather than a regional dialect.
Compound of 東京 (Tokyo) and 語 (language/dialect). The term is transparent and refers to the dialect spoken in Tokyo, historically significant as the basis for modern standard Japanese.