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English word union comes from Proto-Indo-European *oynolos, Proto-Indo-European *yo-, and later Proto-Italic *oinos (One.).

Union etymology ?

Union detailed word origin explanation

Dictionary entryLanguageDefinition
*oynolos Proto-Indo-European (ine-pro)
*yo- Proto-Indo-European (ine-pro)
*óywos Proto-Indo-European (ine-pro)
*oinos Proto-Italic (itc-pro) One.
oinos Old Latin (itc-ola) (cardinal) one.
unus Latin (lat) Alone. One, single (cardinal) one; 1 (Medieval Latin) a, an.
unionem Late Latin (LL)
unionis Latin (lat)
ūniōnem Late Latin (LL)
union Old French (842-ca. 1400) (fro) Trinity (God, Jesus and the Holy Spirit).
union English (eng) To combine sets using the union operation. (countable) A joint or other connection uniting parts of machinery, such as pipes.. (countable) A trade union; a workers' union.. (countable) An association of students at a university for social and/or political purposes; also in some cases a debating body.. (countable) That which is united, or made one; something formed by a combination or [...]

Words with the same origin as union

Descendants of *oynolos
in inch onion ounce reunite unanimous uni unicorn unique unison unit unite united unity universe varsity