bidellus (Latin) comes from Middle English bedel, from Old English bydel, from Proto-West Germanic *būdil, from Proto-Germanic būdilaz, from Proto-Germanic beudaną, from Proto-Indo-European bʰewdʰ- — to be awake, be aware.
Ancestry of “bidellus”, step by step
bidellus traces back through 3 separate lines of ancestry.