Etymology and distribution of 𦹀井.

Kugoi 【𦹀井】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Toukyou-to , Shimane-ken . Origin of Nara-ken Gose-shi Furuse (Kose). In the Asuka period there is a place name with the notation of "gigantic" recorded. It was in the Kofun era in Nara-ken .