Önnkostr

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

önnkostr

m., in the phrase, fyrir önnkost, intentionally, purposely; sigla skipi á sker fyrir önnkost, to run a ship ashore purposely.

Possible runic inscription in Younger Futhark:ᚢᚾᚾᚴᚢᛋᛏᚱ

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