Herpast

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

herpast

t, to be contracted as with cramp.

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