Þjappa

Meaning of Old Norse word "þjappa"

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

þjappa

að, to knead with the feet; þ. moldinni saman; corrupt from þjaka (?).

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