双
そう (sō), ふた (futa)a pair of identical or similar things, especially twins
双の靴を履く。
I wear a pair of shoes.
Often used for pairs of objects (e.g., shoes, chopsticks) or twins.
two; both; double
双方向のコミュニケーション。
Two-way communication.
Used in compound words like 双方 (both parties).
Related Phrases
💡Pro Tip
When to use 双 vs. ペア
Use 双 for natural pairs (e.g., twins, shoes, chopsticks) and ペア for man-made or arbitrary pairs (e.g., a pair of socks, a pair of earrings).
⚡Gold Rule
Compound words with 双
双 is often used in compound words to indicate 'two' or 'mutual.' Examples: 双方 (both parties), 双眼鏡 (binoculars), 双子 (twins).
📖Word Origin
From Old Japanese *futa* (two), related to Proto-Japonic *puta. Evolved to mean 'pair' in modern Japanese.
📝Usage Notes
双 is formal and often used in compound words or specific contexts like twins, objects in pairs, or mutual relationships. For general 'pair' in everyday speech, 'ペア' (pair) is more common.