Iwabe 【岩部】5 The Japanese surnames etymology dictionary.
Iwate-ken Takizawa-shi . Thing . The first element is the cow of an animal, the second element is from the act of embracing. Iwate-ken Takizawa-shi tells that Iwate-ken Morioka-shi Uchimaru gave it to the Edo period by holding a cow that had been occupying lying on the way when the clan lord of the clan's government passes.