Where does “būilla” come from?
būilla (Old High German) comes from Proto-Germanic būlijǭ, from Proto-Germanic būlǭ, from Proto-Indo-European bew- — "low-pitch humming noise".
būilla (Old High German) comes from Proto-Germanic būlijǭ, from Proto-Germanic būlǭ, from Proto-Indo-European bew- — "low-pitch humming noise".