Mannskaði

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

mannskaði

m. loss of life, great loss in a person’s death (ok er þat enn mesti ~ at taka þá af lífi).

Possible runic inscription in Younger Futhark:ᛘᛅᚾᚾᛋᚴᛅᚦᛁ

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