Spök

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

spök

from spakr, wise.

Possible runic inscription in Younger Futhark:ᛋᛒᚢᚴ

Also available in related dictionaries:

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

• Old Swedish - K.F Söderwall's Dictionary