 Where the creek crossed "Kirkeveien", there was formerly a bridge, but it has been filled with solid material.The etymology of the name Nadderud is uncertain, but it has been recorded as Naderud (1434 and 1617), Narderudt (1557), Nadderudt (1578), but also Nadderud in older times (1594 and 1723).The suffix "-rud" indicates that someone cleared an area to make a farm.