I was recently 'complaining' about how I find the name for Vermillion was difficult for me because it seems like it should be a green color. Since "ver" usually means green, like "verde".
So, I looked up why it's called Vermillion and found that the reason is because of this bug called Kermes vermilio:
Photo credit Paul Starosta
The "ver" in vermilio means worm
https://en.m.wiktionary.org/wiki/vermilion