Släkthistoria för Grisenthwaite
Grisenthwaite Vad efternamn betyder
from a lost or unidentified place probably in Cumb. It is not possible to be certain of the etymology of the place-name without a greater number of early forms but it may derive from Old English *gærsen ‘grassy’ or *gærsing ‘grazing pasture’ + Old Scandinavian þveit ‘clearing meadow’.
Källa: The Concise Oxford Dictionary of Family Names in Britain, 2021
