90秒で分かる「大丈夫」って何でこんな漢字?

日常会話でよく使う「大丈夫」。よく考えると何で「大きな丈の夫」と書くんでしょう?大丈夫の語源を90秒で学びましょう!
Learn Japanese vocabulary in 90 seconds - Theme: Cooking! Learn Japanese vocabulary in 90 seconds - Theme: Cooking!
90 seconds to learn Japanese vocabulary - Electric appliance! 90 seconds to learn Japanese vocabulary - Electric appliance!
Learn Japanese vocabulary in 90 seconds - Theme: Date! Learn Japanese vocabulary in 90 seconds - Theme: Date!