apical ancestor

/AE1 P AH0 K AH0 L AE0 N S EH0 S T ER0/
noun
  1. 1

    In kinship and descent, a common ancestor from whom a lineage or clan may trace its descent. The ancestor who is at the apex of the genealogy.

  2. 2

    For clans, a common ancestor, who may be real, fictionalized, or a nonhuman totem.

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