Genealogy

n., pl. -gies.
- A record or table of the descent of a person, family, or group from an ancestor or ancestors; a family tree.
- Direct descent from an ancestor; lineage or pedigree.
- The study or investigation of ancestry and family histories.
[Middle English genealogie, from Old French, from Late Latin geneālogia, from Greek geneālogiā : geneā, family + -logiā, -logy.]