{"date":"2026-09-13","tags":["daily-life","objects"],"word":{"meaning":"window","reading":"まど","surface":"窓"},"theme":"room","status":"published","card_id":"daily_2026_09_13","example":{"japanese":"窓を開けてもいいですか。","reading":"まどをあけてもいいですか。","english":"May I open the window?","ruby":[{"text":"窓","reading":"まど"},{"text":"を"},{"text":"開","reading":"あ"},{"text":"けてもいいですか。"}],"html":"<ruby>窓<rt>まど</rt></ruby>を<ruby>開<rt>あ</rt></ruby>けてもいいですか。"},"language":"ja","level_label":"N5","review_prompt":{"answer":"window","prompt":"What does 窓 mean?"},"teaching_note":"窓 is a physical window in a room, train, car, or building.","urls":{"self":"https://koto.bokura.ai/api/v0/daily-word?date=2026-09-13","api":"https://koto.bokura.ai/api/v0/daily-word","site":"https://koto.bokura.ai/"}}