liðunum
liðunum is the definite plural dative form of the Icelandic noun lið, which can mean limb or joint, and more broadly a part or component of a larger whole. In Icelandic grammar, nouns decline for number and case, and -unum marks the definite plural in the dative. This form appears when the limbs or joints (or other parts) are the indirect object or are governed by a preposition that requires the dative plural.
The base sense of lið includes anatomical limbs or joints, as in phrases describing body parts. It
Etymology and related forms: lið is of Old Norse origin and shares a family with related Nordic