Tryggva

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

tryggva

(-ða, -ðr), v. to make firm and trusty (trygðu þeir Þórir þá sættir með sér).

Possible runic inscription in Younger Futhark:ᛏᚱᚢᚴᚴᚢᛅ

Also available in related dictionaries:

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

• Old Norwegian - Johan Fritzner's Dictionary