Where does “pulce” come from?

pulce (Old French) comes from Latin pulicem, from Latin pulex, from Proto-Indo-European plúsis — flea.

Ancestry of “pulce”, step by step

StepLanguageWordMeaning
1Latinpulicemaccusative singular of pūlex; flea
2Latinpulexflea
3Proto-Indo-Europeanplúsisflea
Every word from Proto-Indo-European plúsis →Every word from Latin pulex →Every word from Latin pulicem →