Brennusteinsþefr

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

brennusteinsþefr

m. smell of brimstone, sulfurous smell.

Possible runic inscription in Younger Futhark:ᛒᚱᛁᚾᚾᚢᛋᛏᛁᛁᚾᛋᚦᛁᚠᚱ

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