To Get Fat
To Gain Weight, To Grow Fat, To Become Fat
intransitive verb, godan verb
This word consists of kanji with hiragana attached. Because the hiragana ends with an う sound, you know this word is a verb. The kanji itself means fat so the verb form of that is to get fat.
Since this word consists of a kanji with hiragana attached, you can bet that it will use the kun'yomi reading. You have to learn the ふと portion of this word to be able to read it. Here's a mnemonic to help you:
You're getting fat so quickly that you can see your body expanding. You look down - at first you can see your foot (ふと) but then a second later you can't. You can't see your foot because you're getting fat, even when you stick your foot way out. What's going on?
ジュースばっかりのむと太るよ。
You'll get fat if you only drink juice.
たべても太らない人がうらやましい。
I envy people who don't get fat even though they eat a lot.
さいきん犬が太ってきたので、いっしょにダイエットをしてます。
As my dog is gaining weight these days, we are on a diet together.