Longman Dictionary of Contemporary English homepage

extraction

noun
     
ex‧trac‧tion
1 [uncountable and countable] the process of removing or obtaining something from something else
extraction of
the extraction of salt from seawater
the extraction of information from appropriate reference sources
2

be of French/Russian/Italian etc extraction

SAN to be from a French, Russian etc family even though you were not born in that country

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