装具|そうぐsougu[1]atamadaka (head-high)

1. nounequipment; harness; fittings
2. noun, medicineorthotic; orthosis; brace; prosthetic appliance

• Synonym装備そうびNeutralThe most general word for equipment prepared for a purpose, as in 「登山装備」; 装具 leans toward gear worn on the body.
• Related装身具そうしんぐWrittenWritten register for personal accessories like necklaces and rings; it does not cover functional equipment.
• RelatedイクイップメントNeutralA loanword for equipment and gear, leaning toward commercial and technical documents; uncommon in daily conversation.
• Related属具ぞくぐWrittenWritten word for tools attached to something, used mainly with machinery and ships.

For equipment in general, use 「装備」. Use 「装具」 for gear worn on the body, especially medical braces and orthoses, as in 「下肢装具」. For jewelry and accessories say 「装身具」; 「属具」 and イクイップメント rarely appear in everyday speech.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 身みに付つけるための道具どうぐ。装身具そうしんぐ。
2. 武装ぶそうする際さいに身みに付つける用具ようぐ。