Etymology and distribution of エチェニケ.

Echenike* 【エチェニケ】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Nagasaki-ken Unzen-shi . 樗木 there last name. Nagasaki-ken Unzen-shi Kami-machi Toshiaki is the origin. Tell him that he was engaged in agriculture in the same area. Estimated in the Edo period. 樗木 Oteki reference.