(politics) gerontocracy

ruler (one who governs)

ruling; governing; prevailing; controlling; predominant; as, the dominant party, church, spirit, power

A true Tokyoite: one who was born and raised in the Japanese capital and whose parents are from Tokyo. One whose family has been from Tokyo for generations.

(calligraphy and typography) "Edo characters", distinctive calligraphic (and later, typographic) styles that were born in the Edo period

a tatami mat of the Edo (Tokyo) style

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

illegitimacy (being born out of wedlock)

a privately-owned ricefield, especially one under the historical 律令 (Ritsuryō) system

Kyūjitai form of 私鉄 (“private railway”)