Etymology and distribution of 井舟.

Ifune 【井舟】^{レベル2
About 20}  The Japanese surnames etymology dictionary.

Okinawa-ken Uruma-shi .

① Topography . From the upper gate. The jaw of Ryukyuan sound of the gate is Todo, Joe in the change in estimation.

② Topography . Kagoshima-ken is Kamikado. From the upper gate of the gate division system that was in the Edo period. An example of the location of the gate. Kagoshima-ken Minamikyuushuu-shi Kawabe-cho Hirayama. Kagoshima-ken Minamisatsuma-shi Kamonomi- cho In Takahashi, Kamonomon gate. The name of the gate is from above.