Relation shortened to its attribute name — the link's declared kinship to what it points at.
Relation shortened to its attribute name, from Latin relatio (a bringing back, a relation), from referre (to carry back): re- (back) + ferre (to carry); rel keeps only the letters, and the root's carrying survives in what the attribute actually names.
Relation shortened to its attribute name. The link's declared kinship to what it points at, carried in three letters instead of the whole word.