Hélu-frost

Meaning of Old Norse word "hélu-frost"

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

hélu-frost

n. a rime frost.

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