genealogy

noun

ge·​ne·​al·​o·​gy ˌjē-nē-ˈä-lə-jē How to pronounce genealogy (audio)
also
-ˈa-lə- How to pronounce genealogy (audio)
 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 adjective
genealogically adverb

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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Everything from genome sequencing to clinical diagnoses, crime solving, genealogy tests and genetic engineering uses DNA polymerase. James F. Holden, The Conversation, 21 July 2025 Only three states have set limits on how law enforcement may use genetic genealogy. July 13, CBS News, 13 July 2025 Much in the way traditional testing like the Combined DNA Index System, or CODIS, is used to match DNA between suspects and victims, DNA can be tested against a bigger sample pool with forensic genetic genealogy, Elkins said. Craig Shoup, The Tennessean, 2 July 2025 As the case proceeded, the defense team filed motions to suppress DNA evidence obtained through the forensic genealogy process and questioning the validity of other evidence, including cell phone records and the accuracy of a search warrant affidavit. Zoe Sottile, CNN Money, 1 July 2025 See All Example Sentences for genealogy

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

Time Traveler
The first known use of genealogy was in the 14th century

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Cite this Entry

“Genealogy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/genealogy. Accessed 26 Jul. 2025.

Kids Definition

genealogy

noun
ge·​ne·​al·​o·​gy ˌjē-nē-ˈäl-ə-jē How to pronounce genealogy (audio) ˌjen-ē- How to pronounce genealogy (audio)
-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 adjective
genealogically adverb
genealogist
-ˈäl-ə-jəst
-ˈal-
noun

More from Merriam-Webster on genealogy

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