Bettō
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"Betto" redirects here. For the surname, see Betto (surname).
Bettō (別当) is a term which originally indicated the head of an institution serving temporarily as the head of another one, but which came to mean also the full-time head of some institution.[1][2] The Kamakura period samurai Wada Yoshimori, for example, was the first bettō of the shogunate's Samurai-dokoro.