9 letters · 14 points in Scrabble
noun a chemical used to kill pests (as rodents or insects)
originEtymology tree English pest Latin -i-bor. English -i- Proto-Indo-European *kh₂eyd-der. Proto-Italic *kaidō Latin caedō Proto-Indo-European *-h₂ Proto-Indo-European *-eh₂ Proto-Italic *-ā Latin -a Latin -cīdader. Middle French -cidebor. English -cide English pesticide From pest + -i- + -cide.
Etymology from Wiktionary, CC BY-SA 3.0