As defined by A Concise Dictionary of Old Icelandic (Geir Zoëga):
siða Old Icelandic word can mean:
- (að), v. to improve, esp. to reform the faith (s. land, fólk);
- refl., siðast, to be improved, civilized (þar eptir siðaðist landit).
Possible runic inscription in Younger Futhark:ᛋᛁᚦᛅ
Also available in related dictionaries:
This headword also appears in dictionaries of other languages closely related to Old Icelandic.