Gutla

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

gutla

að, [gutl], to gurgle, used of the noise made by a liquid when shaken in a bottle.

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