Fjalla-læða

Meaning of Old Norse word "fjalla-læða"

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

fjalla-læða

u, f. ‘fell-sneaker,’ a mist leaving the fells clear, but covering the low land.

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