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