Meaning of Roju in English:

Roju

Pronunciation /ˈrəʊdʒuː/

noun

(also Rochu)
historical
  • (A member of) the council of ministers of state in Japan, especially under the Tokugawa government (1603–1867).

Origin

Early 19th century; earliest use found in Frederic Shoberl (1775–1853), journalist and writer. Originally from French riodjou and subsequently from its etymon Japanese Rōjū elders, advisers to a lord from rō old person, elder, chief vassal + -jū, variant of -chū among (from Middle Chinese; compare Chinese zhōng centre).