Where does “photolarvicidal” come from?

photolarvicidal (English) comes from English larvicidal, from English larvicide, from English -cide, from Middle French -cide, from Latin -cīdium, from Latin -ium, from Latin -ius, from Proto-Italic -jōs — Creates adjectives from noun or verb stems.

photolarvicidal (English): Relating to photolarvicides

Definitions

  1. Relating to photolarvicides

Ancestry of “photolarvicidal”, step by step

photolarvicidal traces back through two separate lines of ancestry.

via English larvicidal

StepLanguageWordMeaning
1EnglishlarvicidalKilling larvae
2EnglishlarvicideAny pesticide that attacks the larval stage of an...
3English-cidekilling; killer
4Middle French-cide
5Latin-cīdium
6Latin-iumSuffix used to form abstract nouns, sometimes...
7Latin-iusforming adjectives from nouns; nominative neuter...
8Proto-Italic-jōsForms comparative adjectives
9Proto-Indo-European-yósCreates adjectives from noun or verb stems

via English photo

StepLanguageWordMeaning
1EnglishphotoA photograph; A photo finish; To take a...
2EnglishphotographyThe art and technology of producing images on...
3Frenchphotographiephotography; photograph
4Ancient Greekφωτο-
5Ancient GreekφῶςAttic form of φᾰ́ος
6Proto-Hellenicpʰáos
7Proto-Indo-Europeanbʰéh₂os
8Proto-Indo-Europeanbʰeh₂-to shine, glow light; to speak, say
9Proto-Indo-Europeanbʰeh₂-s-ri-
Every word from Proto-Indo-European -yós