Where does “plangen” come from?
plangen (Luxembourgish) comes from Luxembourgish Plang, 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.
plangen (Luxembourgish): to plan
Ancestry of “plangen”, step by step