As defined by the Cleasby & Vigfusson Old Norse to English dictionary:
- t, to make to ferment; kæstr, fermented, decomposed, esp. of the flesh of skate or sharks, kæst skata, kæstr hákarl.
Possible runic inscription in Younger Futhark:ᚴᛅᛋᛅ
Younger Futhark runes were used from 8th to 12th centuries in Scandinavia and their overseas settlements