bidello m (plural bidelli, feminine bidella)
From Old French bedel (“policeman”), from Frankish *bidil (“candidate, volunteer”), from Proto-Germanic *bidilaz (“seeker”), from Proto-Germanic *bidjaną (“to ask, beseech”), from Proto-Indo-European *bʰidʰ- (“to command”), merging with Frankish *budil (“messenger of justice”), from Proto-Germanic *budilaz (“herald”), from Proto-Germanic *beudaną (“to present, offer”), from Proto-Indo-European *bʰewdʰ- (“to comprehend, make aware”). Akin to Old High German bitil (“candidate”), Old High German bittan (“to ask”), Old High German butil (“beadle”) (whence German Büttel), Old English bydel (“apparitor, messenger, beadle”), Old English bēodan (“to announce”). More at beadle, bid.