Where does “aplanissement” come from?
aplanissement (French) comes from French aplanir, from French plan, from French plain, from Old French plain, from Latin plēnus, from Proto-Italic plēnos, from Proto-Indo-European pl̥h₁nós, from Proto-Indo-European pleh₁- — to fill.
aplanissement (French): leveling
Ancestry of “aplanissement”, step by step