vanquish

What it means

1. transitiveTo defeat (someone); to overcome.

   They […] vanquished the rebels in all encounters.

   1702–1704, Edward [Hyde, 1st] Earl of Clarendon, (please specify |book=I to XVI), in The History of the Rebellion and Civil Wars in England, Begun in the Year 1641. […], Oxford, Oxfordshire: Printed at the [Sheldonian] Theater

   2 more examples

   In ſingle Combat thou ſhalt buckle vvith me; / And if thou vanquiſheſt, thy vvords are true, / Othervviſe I renounce all confidence.

   c. 1597 (date written), William Shakespeare, “The First Part of Henry the Fourth, […]”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, →OCLC, [Act I, scene ii], page 98, column 2

   This bold assertion has been so fully vanquish'd in a late reply to the Bishop of Meaux's treatise.

   1687, Francis Atterbury, An Answer to Some Considerations on the Spirit of Martin Luther and the Original of the Reformation; […], Oxford, Oxfordshire: […] [Sheldonian] Theater, →OCLC

In a sentence

In ſingle Combat thou ſhalt buckle vvith me; / And if thou vanquiſheſt, thy vvords are true, / Othervviſe I renounce all confidence.

c. 1597 (date written), William Shakespeare, “The First Part of Henry the Fourth, […]”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, →OCLC, [Act I, scene ii], page 98, column 2

Where it comes from

1. Latinvincō
2. Old Frenchveincre
3. Middle Englishvenquysshen
4. Englishvanquish

From Middle English venquysshen, vaynquisshen, borrowed from a conjugated form of Old French veincre, from Latin vincō.