Where does “petajoule” come from?

petajoule (Czech) comes from Czech joule, from French joule — joule.

petajoule (Czech): petajoule

Definitions

  1. petajoule

Ancestry of “petajoule”, step by step

StepLanguageWordMeaning
1Czechjoulejoule the derived unit of energy, work and heat
2Frenchjoulejoule
Every word from French joule →Every word from Czech joule →
petajoule — Etymology, Origin & Word History | Etymology Explorer