Rokna-

Meaning of Old Norse word "rokna-"

As defined by the Cleasby & Vigfusson Old Norse to English dictionary:

rokna-

in compds, as rokna-hljóð, a stentorian voice.

Possible runic inscription in Younger Futhark:ᚱᚢᚴᚾᛅ-
Younger Futhark runes were used from 8th to 12th centuries in Scandinavia and their overseas settlements