Skaða

As defined by A Concise Dictionary of Old Icelandic (Geir Zoëga):

skaða

(að), v. impers., e-n ~r ekki, it does one no harm or damage.

Possible runic inscription in Younger Futhark:ᛋᚴᛅᚦᛅ

Also available in related dictionaries:

This headword also appears in dictionaries of other languages closely related to Old Icelandic.

• Old Norse - Cleasby & Vigfusson Dictionary
• Old Norwegian - Johan Fritzner's Dictionary