チャシ
Ainu
Etymology
From Classical Ainu チャシ (casi). Possibly cognate with, or derived from, Middle Korean 잣 (cas, “castle”).
Noun
チャシ (chashi)
- a fence or enclosure
- a fortress
References
Batchelor, John (1926) An Ainu-English-Japanese Dictionary, third edition, Tokyo: Kyobunkan