matrilineage

from WordNet (r) 3.0 (2006)

matrilineage
    n 1: line of descent traced through the maternal side of the
         family [syn: {matrilineage}, {enation}, {cognation}]

from The Collaborative International Dictionary of English v.0.48

matrilineage \matrilineage\ n.
   The line of descent traced through the maternal side of the
   family; the mother's line of descent.

   Syn: enation, cognation.
        [WordNet 1.5]

from Moby Thesaurus II by Grady Ward, 1.0

38 Moby Thesaurus words for "matrilineage":
      affiliation, agnation, alliance, ancestry, blood,
      blood relationship, brotherhood, brothership, cognation,
      common ancestry, common descent, connection, consanguinity,
      cousinhood, cousinship, enation, fatherhood, filiation, fraternity,
      kindred, kinship, maternity, matriliny, matrisib, matrocliny,
      motherhood, paternity, patrilineage, patriliny, patrisib,
      patrocliny, propinquity, relation, relationship, sibship,
      sisterhood, sistership, ties of blood