sleeve

Japanese: sleeve

…However, if the axe is too tightly attached, the impact will cause the handle to break. Therefore, some axe blades are made of horn or other material to provide a tighter fit and to reduce the impact (Mesolithic in Denmark, Neolithic in Switzerland, Han Dynasty in China, and New Guinea peoples). Handles are broadly divided into straight, rod-like handles and knee-shafts, which are short and curved at the end, and the curved part of the knee-shaft is called the foot. …

From [Sleeve]

...The name of the part of clothing that covers the arms.
[Clothes sleeves]
They are also called sleeves, and come in various lengths, including short sleeves, long sleeves, and three-quarter sleeves. Before sleeves were added, the part of the vest hanging from the shoulder to the arm naturally formed a sleeve when it was worn with a belt, such as the Ionic chiton of ancient Greece and the tunica of Rome.

*Some of the terminology that mentions "sleeve" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…しかしあまり密着すると衝撃で柄がこわれる。そこで両者のあいだに角製などの袖sleeveを介在させて密着と衝撃緩和とをはかるものもある(デンマーク中石器時代，スイス新石器時代，中国漢代，ニューギニア民族例)。柄をまっすぐな棒状の直柄（なおえ）と先が短く屈曲する膝柄（ひざえ）knee‐shaftとに大別し，膝柄の屈曲部分を斧台footとよんでおく。…