ælfþone

• ielfþone

From ælf (“elf”) + *-þone, so named because it was considered a remedy for ælfādl (“elf disease”).

The second element may be a cognate to þennan (“to stretch”), referring to the winding nature of the plant's stalk.

ælfþone f

1. Nightshade, as ascribed to an elf.

• Joseph Bosworth and T. Northcote Toller (1898), “ælf-þone”, in An Anglo-Saxon Dictionary, 2nd edition, Oxford: Oxford University Press.
• “ælf-þone”, in Dictionary of Old English Plant Names, edited by P. Bierbaumer, H. Sauer, et al., 2007–2022