Þeirs

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

þeirs

= þeir es, þeir er, those who.

Possible runic inscription in Younger Futhark:ᚦᛁᛁᚱᛋ

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