Etymology and distribution of 保大木.

Bodaigi 【保大木】^{レベル2
About 30}  The Japanese surnames etymology dictionary.

Nagano-ken Ina-shi . Kyouto-fu Kyouto-shi Originated from the vicinity of the Rokka Waraji Temple in Hakucho, Higashiyama Ward (formerly known as Six Wave Luo). A place name with a record since the Heian period. The place name was also written as "Rokuhara".