- a learned borrowing from Latin meaning “killer,” “act of killing,” used in the formation of compound words: pesticide, homicide.
Origin of -cide
- indicating a person or thing that killsinsecticide
- indicating a killing; murderhomicide
Word Origin and History for -cide
word-forming element meaning "killer," from French -cide, from Latin -cida "cutter, killer, slayer," from -cidere, comb. form of caedere "to strike down, chop, beat, hew, fell, slay," from PIE *kae-id-, from root *(s)k(h)ai- "to strike" (Pokorny, not in Watkins; cf. Sanskrit skhidati "beats, tears," Lithuanian kaisti "shave," German heien "beat"). For Latin vowel change, see acquisition. The element also can represent "killing," from French -cide, from Latin -cidium "a cutting, a killing."
- Act of killing:suicide.
- A suffix that means a killer of. It is used to form the names of chemicals that kill a specified organism, such as pesticide, a chemical that kills pests.