Where does “反粒子” come from?

反粒子 (Japanese) comes from Japanese 粒子 — a particle.

反粒子 (Japanese): an antiparticle

Definitions

  1. an antiparticle

Ancestry of “反粒子”, step by step

反粒子 traces back through two separate lines of ancestry.

via Japanese 粒子

StepLanguageWordMeaning
1Japanese粒子a particle

via Japanese 反

StepLanguageWordMeaning
1Japanese反anti
Every word from Japanese 粒子 →