Asoshina 【阿蘇品】4 The Japanese surnames etymology dictionary.
Hokkaidou . Ainu system . Hokkaidou Hidakashi-chou Originated from the vicinity of the Atsugawa River that flows through Hidaka-chou . In the Edo period the name of the place with the notation "Atsubetsu" recorded. The Ainu language meaning "hail ore skin / river" means.