ኤድቺ በጦር ሜዳ ውስጥ ከምርጫ መሣሪያዎች አንዱ እንደነበረ ይታመናል ናንቦኩ-ō ወቅት, ይህም በ 14 ኛው መቶ ዘመን ከክርስቶስ ልደት በኋላ ሰፊ ክፍል የዘለቀ.
The odachi is reputed to have been one of the weapons of choice on the field of battle during the Nanboku-chō period, which lasted for a large part of the 14th century AD.