Þjá

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

þjá

(þjá, þjáða, þjáðr), v. to constrain, enthral, enslave; hann var þjár til vinnu, he was forced to work as a bondsman.

Possible runic inscription in Younger Futhark:ᚦᛁᛅ

Also available in related dictionaries:

This headword also appears in dictionaries of other languages closely related to Old Icelandic.

• Old Norse - Cleasby & Vigfusson Dictionary
• Old Norwegian - Johan Fritzner's Dictionary