In 1796, Edward Jenner created a new technique for protecting people from small pox. Why did he call his technique "vaccination"?

The vaccination word is derived from the Latin word cowpox which is Vaccinia.

Explanation:

In 1796 Edward Jenner found a new technique for protecting people from smallpox by introducing a dead form of the virus or infectious disease in the body to develop or acquire immunity for the de=isease.

It is found by Edward Jenner who use this in cows for cowpox and called or named after cowpox which is called Vaccinia in Latin and cows known as Vax.

explanation:

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