休戦
きゅうせん · kyuusen · JLPT N1 · noun
armistice
🏳️ 休 (rest) + 戦 (war) = a rest from war, which is a truce
休 means rest or pause and 戦 means war or battle. Together they name a pause in fighting agreed by both sides. It shares its reading with 旧船 (old ship), so context tells them apart.