Etymology and distribution of 板床.

Itadoko 【板床】^{レベル3
About 140}  The Japanese surnames etymology dictionary.

Ooita-ken Ooita-shi · Nara-ken . Terrain . From well and Oka. Ooita - ken Ooita - shi Distributed in Benten.

Itatoko 【板床】^{レベル3
About 140}  The Japanese surnames etymology dictionary.

Toyama-ken , Kumamoto-ken , Hokkaidou .

① things . From the net. Toyama-ken Meiji new family name using "thread", "Oka" by disassembling "net" by the fisherman of the Imizu-shi .

② 井戸岡 there last name. Kumamoto-ken Kikuchi-shi Asahi It is based in Ichi. Tell him that he was engaged in agriculture in the same area. Estimated in the Edo period. Shiga-ken Kusatsu-shi Shimogi town is based. 井戸岡 Idooka reference.

③ Kagoshima-ken Ooshima-gun Isen-chou Birth of Itochi name. A place name with a record since the Edo period. "Thread" of Thameski name is used.