Etymology and distribution of ジカウ.

Jikau* 【ジカウ】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Yamaguchi-ken Iwakuni-shi · Hiroshima-ken Hiroshima-shi Higashi ku · Ishikawa-ken Kanazawa-shi . There is 吉川 surname. In the estimation, Yamaguchi-ken Iwakuni-shi Yokoyama is a rename to the Edo period when Yoshikawa's honor of Yoshikawa, a lord of the Iwakuni lord of the clan office, was regarded as "good". Yamaguchi-ken Iwakuni-shi There is distribution in lower interest. 吉川 Yoshikawa reference.