genealogy

noun

ge·​ne·​al·​o·​gy ˌjē-nē-ˈä-lə-jē 

also

-ˈa-lə- 

 also  ˌje-nē-

plural genealogies

1

: an account of the descent of a person, family, or group from an ancestor or from older forms

2

: regular descent of a person, family, or group of organisms from a progenitor (see progenitor sense 1) or older form : pedigree

3

: the study of family ancestral lines

4

: an account of the origin and historical development of something

genealogical

ˌjē-nē-ə-ˈlä-ji-kəl 

ˌje-nē-

adjective

genealogically

ˌjē-nē-ə-ˈlä-ji-k(ə-)lē 

ˌje-nē-

adverb

Synonyms

• ancestry
• birth
• blood
• bloodline
• breeding
• descent
• extraction
• family tree
• line
• lineage
• origin
• parentage
• pedigree
• stock
• strain

Examples of genealogy in a Sentence

They've been researching their genealogies.

has a distinguished genealogy that traces back to William the Conqueror

Recent Examples on the Web

The information provided to investigators, along with a DNA analysis known as genetic genealogy, allowed police to home in on Martinez-Hernandez. —Alex Mann, Baltimore Sun, 21 June 2024

Cold case investigators with the Orange County Sheriff's Department eventually began working with the FBI’s Regional Genealogy Team to conduct investigative genetic genealogy. —Jonathan Franklin, NPR, 19 June 2024

Cold case investigators eventually began working with the FBI’s Regional Genealogy Team to conduct investigative genetic genealogy and found a direct family line for the woman. —Saleen Martin, USA TODAY, 17 June 2024

There the hair was determined to be male, and genetic genealogy was used by the FBI to identify a family line — the Dalrymple family, made up of four boys and two girls from Idaho, the affidavit said. —Alex Brizee, Idaho Statesman, 10 June 2024

Word History

Etymology

Middle English genealogie, from Anglo-French, from Late Latin genealogia, from Greek, from genea race, family + -logia -logy; akin to Greek genos race

First Known Use

14th century, in the meaning defined at sense 1

Kids Definition

genealogy

noun

ge·​ne·​al·​o·​gy ˌjē-nē-ˈäl-ə-jē  ˌjen-ē- 

-ˈal-

plural genealogies

1

: the line of ancestors of a person or family or a history of such a line of ancestors

2

: the study of family lines of ancestors

genealogical

ˌjē-nē-ə-ˈläj-i-kəl 

ˌjen-ē-

adjective

genealogically

-k(ə-)lē 

adverb

genealogist

-ˈäl-ə-jəst

-ˈal-

noun