As defined by the Cleasby & Vigfusson Old Norse to English dictionary:
- m. folly, 625. 192; hence the phrase, hafa e-t í fiflskaparmálum, to speak vainly of a thing (viz. sacred things).
Possible runic inscription in Younger Futhark:ᚠᛁᚠᛚ-ᛋᚴᛅᛒᚱ
Younger Futhark runes were used from 8th to 12th centuries in Scandinavia and their overseas settlements