Etymograph

English

insecticide

Insecticide comes from French insecte ‘insect’, and goes back to Latin īnsectus ‘cut into, cut up, with a notched or divided body’.

  1. Latinc. 75 BCE–200 CEīnsectus‘cut into, cut up, with a notched or divided body’
  2. Latin, derivedc. 75 BCE–200 CEīnsectum
  3. Frenchc. 1600–presentinsecte‘insect’
  4. French, derivedc. 1600–presentinsecticide
  5. Englishearliest quotation 2009same form

attested reconstructed ? uncertain or disputed

Earlier history not traced here.

Lineage

  1. Latinc. 75 BCE–200 CEīnsectus‘cut into, cut up, with a notched or divided body’
  2. Latin, derivedc. 75 BCE–200 CEīnsectum
  3. Frenchc. 1600–presentinsecte‘insect’
  4. French, derivedc. 1600–presentinsecticide
  5. Englishearliest quotation 2009same form

Earliest quotation: 2009, Handbook of Pesticides: Methods of Pesti: “The dried seed powder of custard apple (Annona squamosa…”

Formed from insect + -icide

Proto-Indo-European *sek- ‘to cut’

…

Latin īnsecō ‘to cut into, to cut up’

Latin īnsectus ‘cut into, cut up, with a notched or divided body’

Latin īnsectum

Middle French insecte

English insect

Today it means

noun Any of various substances used to kill insects.

Language periods are conventional ranges, not dates for this word.

Etymograph / Latin īnsectus / insecticide