1610s, "hereditary commander of a Japanese army," from Japanese (sei-i-tai) shogun "(barbarian-subduing) chief" (late 12c.), sound-substitution for Chinese chiang chiin, literally "lead army."
Entries linking to shogun
shogunate n.
"office or rule of a shogun," 1871, a hybrid, from Japanese shogun + Latinate suffix -ate (1).