Vax has been declared the word of the year for 2021 by Oxford Languages.

Oxford Languages president Casper Grathwohl said vax was ‘an obvious choice’.

It comes after last year’s report was expanded to reflect the “unprecedented” nature of 2020, with furlough, Covid-19 and Black Lives Matter among the terms on the list.

According to the 2021 report, the word vaccine was first recorded in 1799, with its derivatives vaccinate and vaccination first appearing a year later.

Vaccine is believed to derive from the Latin word vacca, which means cow. The report says this is related to English physician and scientist Edward Jenner’s pioneering work on vaccination against smallpox in the late 1790s and early 1800s.

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Oxford Languages said: “The word vax, more than any other, has injected itself into the bloodstream of the English language in 2021”.

The organisation added: “A relatively rare word in our corpus until this year, by September it was over 72 times more frequent than at the same time last year.

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“It has generated numerous derivatives that we are now seeing in a wide range of informal contexts, from vax sites and vax cards to getting vaxxed and being fully vaxxed, no word better captures the atmosphere of the past year than vax.”

Previous examples of Word of the Year include vape, selfie and post-truth, with the “crying with tears” emoji deemed the winner in 2015.

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