As defined by A Concise Dictionary of Old Icelandic (Geir Zoëga):
- (að), v. to become hard and woody, of a tree or plant-stem.
Possible runic inscription in Younger Futhark:ᛏᚱᛁᚾᛅ
Also available in related dictionaries:
This headword also appears in dictionaries of other languages closely related to Old Icelandic.