Umsýsla

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

umsýsla

f. occupation, assistance, aid (hét hann sinni umsýslu við föður sinn).

Possible runic inscription in Younger Futhark:ᚢᛘᛋᚢᛋᛚᛅ

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