90秒で分かる「たくさん」はなぜ「沢」と「山」?

沢山(たくさん)って「いっぱいある」という意味ですが、なぜこんな漢字なんでしょう?沢山の語源を90秒でサクッと理解しちゃいましょう!
Learn the Business Model Canvas in 90 seconds Learn the Business Model Canvas in 90 seconds
Learn about Noh - traditional art of Japan - in 90 seconds! Learn about Noh - traditional art of Japan - in 90 seconds!
Understand difference between RGB and CMYK in 90 sec Understand difference between RGB and CMYK in 90 sec
Learn how to play a basic drum fill in 90 seconds Learn how to play a basic drum fill in 90 seconds