The story
- Old English · inherited fromfūl“foul”
- Middle English · derived fromFulebroc
- English todayFulbrook
From Middle English Fulebroc, from Old English fūl (“foul”), definite form fūla + brōc (“brook”).
Words from the same roots
Old Englishfūl all →
foulFulfordFulwoodFulwellfoumartFulbeckunfull
Etymology from Wiktionary, CC BY-SA 4.0.