Where does “rodenticidal” come from?

rodenticidal (English) comes from English rodenticide, from English -cide, from Middle French -cide, from Latin -cīdium, from Latin -ium, from Latin -ius, from Proto-Italic -jōs, from Proto-Indo-European -yós — Creates adjectives from noun or verb stems.

rodenticidal (English): Serving to kill rodents, as a rodenticide

Definitions

  1. Serving to kill rodents, as a rodenticide

Ancestry of “rodenticidal”, step by step

rodenticidal traces back through two separate lines of ancestry.

via English rodenticide

StepLanguageWordMeaning
1EnglishrodenticideAny toxic substance used to kill rodent pests
2English-cidekilling; killer
3Middle French-cide
4Latin-cīdium
5Latin-iumSuffix used to form abstract nouns, sometimes...
6Latin-iusforming adjectives from nouns; nominative neuter...
7Proto-Italic-jōsForms comparative adjectives
8Proto-Indo-European-yósCreates adjectives from noun or verb stems

via English AL

StepLanguageWordMeaning
1EnglishALInitialism of assembly language; Initialism of...
2Dutchalall, all of; already; yet
3Middle Dutchalall, all of; completely; even though, no matter...
4Old Dutchāl
5Proto-West Germanicallall
6Proto-Germanicallazall
7Proto-Indo-Europeanh₂él-to grow, nourish
Every word from Proto-Indo-European -yósEvery word from Latin -iumEvery word from Latin -ius