Meaning of the word "grist to the mill" in English

What does "grist to the mill" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

grist to the mill

US /ɡrɪst tuː ðə mɪl/
UK /ɡrɪst tuː ðə mɪl/
"grist to the mill" picture

Idiom

useful experience, material, or knowledge that can be used to one's advantage

Example:
Every mistake he made was grist to the mill for his next novel.
The scandal was just more grist to the mill for the tabloid newspapers.