Where does “mocion” come from?

mocion (Old French) comes from Latin mōtio, from Latin movēre, from Proto-Indo-European *m(y)ewh₁- — to move.

Ancestry of “mocion”, step by step

StepLanguageWordMeaning
1Latinmōtiomotion, movement
2Latinmovēre—
3Proto-Indo-European*m(y)ewh₁-to move
Every word from Proto-Indo-European *m(y)ewh₁- →Every word from Latin movēre →Every word from Latin mōtio →
mocion — Etymology, Origin & Word History | Etymology Explorer