What does the suffix -cide mean in the words pesticide and germicide?

Question

to dislike
to dislike

to limit
to limit

to kill
to kill

to infect

Answer 1

The suffix "-cide" means "to kill." Therefore, in the words "pesticide" (a substance used to kill pests) and "germicide" (a substance that kills germs), the "-cide" suffix indicates the action of killing.