Where does “petrolage” come from?

petrolage (English) comes from English age, from Middle English age, from Old French aage, from Vulgar Latin aetaticum, from Latin aetās, from Latin aevitās, from Proto-Italic aiwotāts, from Proto-Indo-European h₂eyu- — vital force, life, age, eternity; day, morning.

petrolage (English): The killing of mosquitos by adding petroleum to the surface of the water where they are found

Definitions

  1. The killing of mosquitos by adding petroleum to the surface of the water where they are found

Ancestry of “petrolage”, step by step

petrolage traces back through two separate lines of ancestry.

via English age

StepLanguageWordMeaning
1EnglishageThe whole duration of a being, whether animal,...
2Middle EnglishageThe age of someone or rarely something; how old someone is
3Old Frenchaageage
4Vulgar Latinaetaticumage
5Latinaetāsthe period of a life: lifetime, lifespan
6Latinaevitās
7Proto-Italicaiwotātsage
8Proto-Indo-Europeanh₂eyu-vitality; eternal; vital force, life, long life,...
9Proto-Indo-Europeanh₂ey-vital force, life, age, eternity; day, morning

via English petrol

StepLanguageWordMeaning
1EnglishpetrolPetroleum, a fluid consisting of a mixture of...
2Frenchpétrolepetroleum; oil; hydrocarbon
3Medieval Latinpetroleum
4Latinoleumolive oil; the palaestra
5Ancient Greekἔλαιονolive oil, commonly used as an anointing oil; any...
6Ancient Greekἐλαίαolive tree; olive; naevus
7Proto-Hellenicelaíwā
8Proto-Indo-Europeanloiwom
Every word from Proto-Indo-European h₂ey-