Origin
Source, Coming From
noun, する verb
What's the reason that something comes into being? Its origin, of course. Nothing can come into the world without a source, because it's always coming from somewhere.
ゆらい
You didn't learn this reading for 由 so here's a mnemonic to help you:
The best way to get close to the origin or source of something is to move into a yurt (ゆ). Yurts are easy to move around, so you can always get close to the source, wherever that may be.
お名前の由来は何ですか？
What is the origin of your name?
自然由来の材料を使っています。
We use ingredients from natural sources.
この単語は、ラテン語に由来しています。
This word comes from Latin.