[ an-ses-tree or, esp. British, -suh-stree ]
/ ˈæn sɛs tri or, esp. British, -sə stri /

noun, plural an·ces·tries.

family or ancestral descent; lineage.
honorable or distinguished descent: famous by title and ancestry.
a series of ancestors: His ancestry settled Utah.
the inception or origin of a phenomenon, object, idea, or style.
the history or developmental process of a phenomenon, object, idea, or style.

Origin of ancestry

1300–50; Middle English, equivalent to ancestre ancestor + -y3; replacing Middle English aunce(s)trie < Anglo-French Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for ancestry

British Dictionary definitions for ancestry

/ (ˈænsɛstrɪ) /

noun plural -tries

lineage or descent, esp when ancient, noble, or distinguished
ancestors collectively
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012