Kuboshima 【窪嶋】レベル3
About 70
The Japanese surnames etymology dictionary.
古住 reference.
2022年 5月 7日 更新
Toyama-ken . Toyama-ken Shimoniikawa-gun Nyuuzen-machi Origin of a small sliding door . A place name with a record since the Edo period.
Kubojima 【窪嶋】レベル3
About 70 are referenced.