Genealogical

[jee-nee-ol-uh-jee, -al-, jen-ee-] /ˌdʒi niˈɒl ə dʒi, -ˈæl-, ˌdʒɛn i-/

noun, plural genealogies.
1.
a record or account of the ancestry and descent of a person, family, group, etc.
2.
the study of family ancestries and histories.
3.
descent from an original form or progenitor; lineage; ancestry.
4.
Biology. a group of individuals or species having a common ancestry:
The various species of Darwin’s finches form a closely knit genealogy.
/ˌdʒiːnɪˈælədʒɪ/
noun (pl) -gies
1.
the direct descent of an individual or group from an ancestor
2.
the study of the evolutionary development of animals and plants from earlier forms
3.
a chart showing the relationships and descent of an individual, group, genes, etc
adj.

1570s, from French généalogique (see genealogy) + -al (1). Earlier in the same sense was genealogial (mid-15c.). Related: Genealogically.
n.

early 14c., “line of descent, pedigree, descent,” from Old French genealogie (12c.), from Late Latin genealogia “tracing of a family,” from Greek genealogia, from genea “generation, descent” (see genus) + -logia (see -logy). An Old English word for it was folctalu, literally “folk tale.” Meaning “study of family trees” is from 1768.

genealogy ge·ne·al·o·gy (jē’nē-ŏl’ə-jē, -āl’-, jěn’ē-)
n.