Last updated at 16:43 BST, Tuesday, 10 September 2013
The word avocado comes from the Spanish 'aguacate'. The fruit is sometimes called an avocado pear or alligator pear because of its shape and texture.
The earliest English examples of the word telescope date from the 1600s and are in the Latin form 'telescopium', and the Italian, 'telescopio'.
