General term for gear, apparatus, or accessories used for a specific purpose, such as sports, outdoor activities, or machinery.
登山には安全な装具が必要だ。
Safe equipment is necessary for mountain climbing.
orthotic; brace; prosthetic appliance
Medical term for devices that support or correct body parts, such as braces, splints, or artificial limbs.
彼は足の装具をつけて歩いている。
He walks with a leg brace.
Firefighters wear firefighting gear.
An orthotist makes a custom orthotic for the patient.
armaments; military equipment; accoutrements
supportive device; assistive device
prosthetist and orthotist
Compound of 装 (そう, 'attire, equip') and 具 (ぐ, 'tool, implement'). The exact historical derivation is uncertain, but the combination naturally yields the meaning of equipment or gear.