köken: Literally, “doing way”, with the positioning of the present participle after its complement which was frequent in Old French (the modern French equivalent would be faisant chemin). Compare tambour battant, Belle au bois dormant.
köken: Etymology tree Proto-Indo-European *h₁ep-der. Proto-Indo-European *h₁épsder. Proto-Indo-European *h₁óp(i) Proto-Italic *op Latin ob Latin ob- Latin iter Latin obiter From ob- + iter.